X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fosd%2FOSD.cc;fp=src%2Fceph%2Fsrc%2Fosd%2FOSD.cc;h=926a3be7e03422c9a9bff9e4f3c5914385020110;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/osd/OSD.cc b/src/ceph/src/osd/OSD.cc new file mode 100644 index 0000000..926a3be --- /dev/null +++ b/src/ceph/src/osd/OSD.cc @@ -0,0 +1,10574 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2004-2006 Sage Weil + * Copyright (C) 2017 OVH + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ +#include "acconfig.h" + +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_SYS_PARAM_H +#include +#endif + +#ifdef HAVE_SYS_MOUNT_H +#include +#endif + +#include "osd/PG.h" + +#include "include/types.h" +#include "include/compat.h" + +#include "OSD.h" +#include "OSDMap.h" +#include "Watch.h" +#include "osdc/Objecter.h" + +#include "common/errno.h" +#include "common/ceph_argparse.h" +#include "common/ceph_time.h" +#include "common/version.h" +#include "common/io_priority.h" +#include "common/pick_address.h" + +#include "os/ObjectStore.h" +#ifdef HAVE_LIBFUSE +#include "os/FuseStore.h" +#endif + +#include "PrimaryLogPG.h" + + +#include "msg/Messenger.h" +#include "msg/Message.h" + +#include "mon/MonClient.h" + +#include "messages/MLog.h" + +#include "messages/MGenericMessage.h" +#include "messages/MOSDPing.h" +#include "messages/MOSDFailure.h" +#include "messages/MOSDMarkMeDown.h" +#include "messages/MOSDFull.h" +#include "messages/MOSDOp.h" +#include "messages/MOSDOpReply.h" +#include "messages/MOSDBackoff.h" +#include "messages/MOSDBeacon.h" +#include "messages/MOSDRepOp.h" +#include "messages/MOSDRepOpReply.h" +#include "messages/MOSDBoot.h" +#include "messages/MOSDPGTemp.h" + +#include "messages/MOSDMap.h" +#include "messages/MMonGetOSDMap.h" +#include "messages/MOSDPGNotify.h" +#include "messages/MOSDPGQuery.h" +#include "messages/MOSDPGLog.h" +#include "messages/MOSDPGRemove.h" +#include "messages/MOSDPGInfo.h" +#include "messages/MOSDPGCreate.h" +#include "messages/MOSDPGTrim.h" +#include "messages/MOSDPGScan.h" +#include "messages/MOSDPGBackfill.h" +#include "messages/MBackfillReserve.h" +#include "messages/MRecoveryReserve.h" +#include "messages/MOSDForceRecovery.h" +#include "messages/MOSDECSubOpWrite.h" +#include "messages/MOSDECSubOpWriteReply.h" +#include "messages/MOSDECSubOpRead.h" +#include "messages/MOSDECSubOpReadReply.h" +#include "messages/MOSDPGCreated.h" +#include "messages/MOSDPGUpdateLogMissing.h" +#include "messages/MOSDPGUpdateLogMissingReply.h" + +#include "messages/MOSDAlive.h" + +#include "messages/MOSDScrub.h" +#include "messages/MOSDScrubReserve.h" +#include "messages/MOSDRepScrub.h" + +#include "messages/MMonCommand.h" +#include "messages/MCommand.h" +#include "messages/MCommandReply.h" + +#include "messages/MPGStats.h" +#include "messages/MPGStatsAck.h" + +#include "messages/MWatchNotify.h" +#include "messages/MOSDPGPush.h" +#include "messages/MOSDPGPushReply.h" +#include "messages/MOSDPGPull.h" + +#include "common/perf_counters.h" +#include "common/Timer.h" +#include "common/LogClient.h" +#include "common/AsyncReserver.h" +#include "common/HeartbeatMap.h" +#include "common/admin_socket.h" +#include "common/ceph_context.h" + +#include "global/signal_handler.h" +#include "global/pidfile.h" + +#include "include/color.h" +#include "perfglue/cpu_profiler.h" +#include "perfglue/heap_profiler.h" + +#include "osd/OpRequest.h" + +#include "auth/AuthAuthorizeHandler.h" +#include "auth/RotatingKeyRing.h" +#include "common/errno.h" + +#include "objclass/objclass.h" + +#include "common/cmdparse.h" +#include "include/str_list.h" +#include "include/util.h" + +#include "include/assert.h" +#include "common/config.h" +#include "common/EventTrace.h" + +#ifdef WITH_LTTNG +#define TRACEPOINT_DEFINE +#define TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#include "tracing/osd.h" +#undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#undef TRACEPOINT_DEFINE +#else +#define tracepoint(...) +#endif + +#define dout_context cct +#define dout_subsys ceph_subsys_osd +#undef dout_prefix +#define dout_prefix _prefix(_dout, whoami, get_osdmap_epoch()) + + +const double OSD::OSD_TICK_INTERVAL = 1.0; + +static ostream& _prefix(std::ostream* _dout, int whoami, epoch_t epoch) { + return *_dout << "osd." << whoami << " " << epoch << " "; +} + +//Initial features in new superblock. +//Features here are also automatically upgraded +CompatSet OSD::get_osd_initial_compat_set() { + CompatSet::FeatureSet ceph_osd_feature_compat; + CompatSet::FeatureSet ceph_osd_feature_ro_compat; + CompatSet::FeatureSet ceph_osd_feature_incompat; + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BASE); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_PGINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_OLOC); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEC); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_CATEGORIES); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_HOBJECTPOOL); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BIGINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEVELDBINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEVELDBLOG); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SNAPMAPPER); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_HINTS); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_PGMETA); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_MISSING); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_FASTINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_RECOVERY_DELETES); + return CompatSet(ceph_osd_feature_compat, ceph_osd_feature_ro_compat, + ceph_osd_feature_incompat); +} + +//Features are added here that this OSD supports. +CompatSet OSD::get_osd_compat_set() { + CompatSet compat = get_osd_initial_compat_set(); + //Any features here can be set in code, but not in initial superblock + compat.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SHARDS); + return compat; +} + +OSDService::OSDService(OSD *osd) : + osd(osd), + cct(osd->cct), + meta_osr(new ObjectStore::Sequencer("meta")), + whoami(osd->whoami), store(osd->store), + log_client(osd->log_client), clog(osd->clog), + pg_recovery_stats(osd->pg_recovery_stats), + cluster_messenger(osd->cluster_messenger), + client_messenger(osd->client_messenger), + logger(osd->logger), + recoverystate_perf(osd->recoverystate_perf), + monc(osd->monc), + peering_wq(osd->peering_wq), + recovery_gen_wq("recovery_gen_wq", cct->_conf->osd_recovery_thread_timeout, + &osd->disk_tp), + class_handler(osd->class_handler), + pg_epoch_lock("OSDService::pg_epoch_lock"), + publish_lock("OSDService::publish_lock"), + pre_publish_lock("OSDService::pre_publish_lock"), + max_oldest_map(0), + peer_map_epoch_lock("OSDService::peer_map_epoch_lock"), + sched_scrub_lock("OSDService::sched_scrub_lock"), scrubs_pending(0), + scrubs_active(0), + agent_lock("OSDService::agent_lock"), + agent_valid_iterator(false), + agent_ops(0), + flush_mode_high_count(0), + agent_active(true), + agent_thread(this), + agent_stop_flag(false), + agent_timer_lock("OSDService::agent_timer_lock"), + agent_timer(osd->client_messenger->cct, agent_timer_lock), + last_recalibrate(ceph_clock_now()), + promote_max_objects(0), + promote_max_bytes(0), + objecter(new Objecter(osd->client_messenger->cct, osd->objecter_messenger, osd->monc, NULL, 0, 0)), + objecter_finisher(osd->client_messenger->cct), + watch_lock("OSDService::watch_lock"), + watch_timer(osd->client_messenger->cct, watch_lock), + next_notif_id(0), + recovery_request_lock("OSDService::recovery_request_lock"), + recovery_request_timer(cct, recovery_request_lock, false), + recovery_sleep_lock("OSDService::recovery_sleep_lock"), + recovery_sleep_timer(cct, recovery_sleep_lock, false), + reserver_finisher(cct), + local_reserver(cct, &reserver_finisher, cct->_conf->osd_max_backfills, + cct->_conf->osd_min_recovery_priority), + remote_reserver(cct, &reserver_finisher, cct->_conf->osd_max_backfills, + cct->_conf->osd_min_recovery_priority), + pg_temp_lock("OSDService::pg_temp_lock"), + snap_sleep_lock("OSDService::snap_sleep_lock"), + snap_sleep_timer( + osd->client_messenger->cct, snap_sleep_lock, false /* relax locking */), + scrub_sleep_lock("OSDService::scrub_sleep_lock"), + scrub_sleep_timer( + osd->client_messenger->cct, scrub_sleep_lock, false /* relax locking */), + snap_reserver(cct, &reserver_finisher, + cct->_conf->osd_max_trimming_pgs), + recovery_lock("OSDService::recovery_lock"), + recovery_ops_active(0), + recovery_ops_reserved(0), + recovery_paused(false), + map_cache_lock("OSDService::map_cache_lock"), + map_cache(cct, cct->_conf->osd_map_cache_size), + map_bl_cache(cct->_conf->osd_map_cache_size), + map_bl_inc_cache(cct->_conf->osd_map_cache_size), + in_progress_split_lock("OSDService::in_progress_split_lock"), + stat_lock("OSDService::stat_lock"), + full_status_lock("OSDService::full_status_lock"), + cur_state(NONE), + cur_ratio(0), + epoch_lock("OSDService::epoch_lock"), + boot_epoch(0), up_epoch(0), bind_epoch(0), + is_stopping_lock("OSDService::is_stopping_lock") +#ifdef PG_DEBUG_REFS + , pgid_lock("OSDService::pgid_lock") +#endif +{ + objecter->init(); +} + +OSDService::~OSDService() +{ + delete objecter; +} + + + +#ifdef PG_DEBUG_REFS +void OSDService::add_pgid(spg_t pgid, PG *pg){ + Mutex::Locker l(pgid_lock); + if (!pgid_tracker.count(pgid)) { + live_pgs[pgid] = pg; + } + pgid_tracker[pgid]++; +} +void OSDService::remove_pgid(spg_t pgid, PG *pg) +{ + Mutex::Locker l(pgid_lock); + assert(pgid_tracker.count(pgid)); + assert(pgid_tracker[pgid] > 0); + pgid_tracker[pgid]--; + if (pgid_tracker[pgid] == 0) { + pgid_tracker.erase(pgid); + live_pgs.erase(pgid); + } +} +void OSDService::dump_live_pgids() +{ + Mutex::Locker l(pgid_lock); + derr << "live pgids:" << dendl; + for (map::const_iterator i = pgid_tracker.cbegin(); + i != pgid_tracker.cend(); + ++i) { + derr << "\t" << *i << dendl; + live_pgs[i->first]->dump_live_ids(); + } +} +#endif + + +void OSDService::_start_split(spg_t parent, const set &children) +{ + for (set::const_iterator i = children.begin(); + i != children.end(); + ++i) { + dout(10) << __func__ << ": Starting split on pg " << *i + << ", parent=" << parent << dendl; + assert(!pending_splits.count(*i)); + assert(!in_progress_splits.count(*i)); + pending_splits.insert(make_pair(*i, parent)); + + assert(!rev_pending_splits[parent].count(*i)); + rev_pending_splits[parent].insert(*i); + } +} + +void OSDService::mark_split_in_progress(spg_t parent, const set &children) +{ + Mutex::Locker l(in_progress_split_lock); + map >::iterator piter = rev_pending_splits.find(parent); + assert(piter != rev_pending_splits.end()); + for (set::const_iterator i = children.begin(); + i != children.end(); + ++i) { + assert(piter->second.count(*i)); + assert(pending_splits.count(*i)); + assert(!in_progress_splits.count(*i)); + assert(pending_splits[*i] == parent); + + pending_splits.erase(*i); + piter->second.erase(*i); + in_progress_splits.insert(*i); + } + if (piter->second.empty()) + rev_pending_splits.erase(piter); +} + +void OSDService::cancel_pending_splits_for_parent(spg_t parent) +{ + Mutex::Locker l(in_progress_split_lock); + _cancel_pending_splits_for_parent(parent); +} + +void OSDService::_cancel_pending_splits_for_parent(spg_t parent) +{ + map >::iterator piter = rev_pending_splits.find(parent); + if (piter == rev_pending_splits.end()) + return; + + for (set::iterator i = piter->second.begin(); + i != piter->second.end(); + ++i) { + assert(pending_splits.count(*i)); + assert(!in_progress_splits.count(*i)); + pending_splits.erase(*i); + dout(10) << __func__ << ": Completing split on pg " << *i + << " for parent: " << parent << dendl; + _cancel_pending_splits_for_parent(*i); + } + rev_pending_splits.erase(piter); +} + +void OSDService::_maybe_split_pgid(OSDMapRef old_map, + OSDMapRef new_map, + spg_t pgid) +{ + assert(old_map->have_pg_pool(pgid.pool())); + int old_pgnum = old_map->get_pg_num(pgid.pool()); + if (pgid.ps() < static_cast(old_pgnum)) { + set children; + if (pgid.is_split(old_pgnum, + new_map->get_pg_num(pgid.pool()), &children)) { + _start_split(pgid, children); } + } else { + assert(pgid.ps() < static_cast(new_map->get_pg_num(pgid.pool()))); + } +} + +void OSDService::init_splits_between(spg_t pgid, + OSDMapRef frommap, + OSDMapRef tomap) +{ + // First, check whether we can avoid this potentially expensive check + if (tomap->have_pg_pool(pgid.pool()) && + pgid.is_split( + frommap->get_pg_num(pgid.pool()), + tomap->get_pg_num(pgid.pool()), + NULL)) { + // Ok, a split happened, so we need to walk the osdmaps + set new_pgs; // pgs to scan on each map + new_pgs.insert(pgid); + OSDMapRef curmap(get_map(frommap->get_epoch())); + for (epoch_t e = frommap->get_epoch() + 1; + e <= tomap->get_epoch(); + ++e) { + OSDMapRef nextmap(try_get_map(e)); + if (!nextmap) + continue; + set even_newer_pgs; // pgs added in this loop + for (set::iterator i = new_pgs.begin(); i != new_pgs.end(); ++i) { + set split_pgs; + if (i->is_split(curmap->get_pg_num(i->pool()), + nextmap->get_pg_num(i->pool()), + &split_pgs)) { + start_split(*i, split_pgs); + even_newer_pgs.insert(split_pgs.begin(), split_pgs.end()); + } + } + new_pgs.insert(even_newer_pgs.begin(), even_newer_pgs.end()); + curmap = nextmap; + } + assert(curmap == tomap); // we must have had both frommap and tomap + } +} + +void OSDService::expand_pg_num(OSDMapRef old_map, + OSDMapRef new_map) +{ + Mutex::Locker l(in_progress_split_lock); + for (set::iterator i = in_progress_splits.begin(); + i != in_progress_splits.end(); + ) { + if (!new_map->have_pg_pool(i->pool())) { + in_progress_splits.erase(i++); + } else { + _maybe_split_pgid(old_map, new_map, *i); + ++i; + } + } + for (map::iterator i = pending_splits.begin(); + i != pending_splits.end(); + ) { + if (!new_map->have_pg_pool(i->first.pool())) { + rev_pending_splits.erase(i->second); + pending_splits.erase(i++); + } else { + _maybe_split_pgid(old_map, new_map, i->first); + ++i; + } + } +} + +bool OSDService::splitting(spg_t pgid) +{ + Mutex::Locker l(in_progress_split_lock); + return in_progress_splits.count(pgid) || + pending_splits.count(pgid); +} + +void OSDService::complete_split(const set &pgs) +{ + Mutex::Locker l(in_progress_split_lock); + for (set::const_iterator i = pgs.begin(); + i != pgs.end(); + ++i) { + dout(10) << __func__ << ": Completing split on pg " << *i << dendl; + assert(!pending_splits.count(*i)); + assert(in_progress_splits.count(*i)); + in_progress_splits.erase(*i); + } +} + +void OSDService::need_heartbeat_peer_update() +{ + osd->need_heartbeat_peer_update(); +} + +void OSDService::pg_stat_queue_enqueue(PG *pg) +{ + osd->pg_stat_queue_enqueue(pg); +} + +void OSDService::pg_stat_queue_dequeue(PG *pg) +{ + osd->pg_stat_queue_dequeue(pg); +} + +void OSDService::start_shutdown() +{ + { + Mutex::Locker l(agent_timer_lock); + agent_timer.shutdown(); + } + + { + Mutex::Locker l(recovery_sleep_lock); + recovery_sleep_timer.shutdown(); + } +} + +void OSDService::shutdown_reserver() +{ + reserver_finisher.wait_for_empty(); + reserver_finisher.stop(); +} + +void OSDService::shutdown() +{ + { + Mutex::Locker l(watch_lock); + watch_timer.shutdown(); + } + + objecter->shutdown(); + objecter_finisher.wait_for_empty(); + objecter_finisher.stop(); + + { + Mutex::Locker l(recovery_request_lock); + recovery_request_timer.shutdown(); + } + + { + Mutex::Locker l(snap_sleep_lock); + snap_sleep_timer.shutdown(); + } + + { + Mutex::Locker l(scrub_sleep_lock); + scrub_sleep_timer.shutdown(); + } + + osdmap = OSDMapRef(); + next_osdmap = OSDMapRef(); +} + +void OSDService::init() +{ + reserver_finisher.start(); + objecter_finisher.start(); + objecter->set_client_incarnation(0); + + // deprioritize objecter in daemonperf output + objecter->get_logger()->set_prio_adjust(-3); + + watch_timer.init(); + agent_timer.init(); + snap_sleep_timer.init(); + scrub_sleep_timer.init(); + + agent_thread.create("osd_srv_agent"); + + if (cct->_conf->osd_recovery_delay_start) + defer_recovery(cct->_conf->osd_recovery_delay_start); +} + +void OSDService::final_init() +{ + objecter->start(osdmap.get()); +} + +void OSDService::activate_map() +{ + // wake/unwake the tiering agent + agent_lock.Lock(); + agent_active = + !osdmap->test_flag(CEPH_OSDMAP_NOTIERAGENT) && + osd->is_active(); + agent_cond.Signal(); + agent_lock.Unlock(); +} + +void OSDService::request_osdmap_update(epoch_t e) +{ + osd->osdmap_subscribe(e, false); +} + +class AgentTimeoutCB : public Context { + PGRef pg; +public: + explicit AgentTimeoutCB(PGRef _pg) : pg(_pg) {} + void finish(int) override { + pg->agent_choose_mode_restart(); + } +}; + +void OSDService::agent_entry() +{ + dout(10) << __func__ << " start" << dendl; + agent_lock.Lock(); + + while (!agent_stop_flag) { + if (agent_queue.empty()) { + dout(20) << __func__ << " empty queue" << dendl; + agent_cond.Wait(agent_lock); + continue; + } + uint64_t level = agent_queue.rbegin()->first; + set& top = agent_queue.rbegin()->second; + dout(10) << __func__ + << " tiers " << agent_queue.size() + << ", top is " << level + << " with pgs " << top.size() + << ", ops " << agent_ops << "/" + << cct->_conf->osd_agent_max_ops + << (agent_active ? " active" : " NOT ACTIVE") + << dendl; + dout(20) << __func__ << " oids " << agent_oids << dendl; + int max = cct->_conf->osd_agent_max_ops - agent_ops; + int agent_flush_quota = max; + if (!flush_mode_high_count) + agent_flush_quota = cct->_conf->osd_agent_max_low_ops - agent_ops; + if (agent_flush_quota <= 0 || top.empty() || !agent_active) { + agent_cond.Wait(agent_lock); + continue; + } + + if (!agent_valid_iterator || agent_queue_pos == top.end()) { + agent_queue_pos = top.begin(); + agent_valid_iterator = true; + } + PGRef pg = *agent_queue_pos; + dout(10) << "high_count " << flush_mode_high_count + << " agent_ops " << agent_ops + << " flush_quota " << agent_flush_quota << dendl; + agent_lock.Unlock(); + if (!pg->agent_work(max, agent_flush_quota)) { + dout(10) << __func__ << " " << pg->get_pgid() + << " no agent_work, delay for " << cct->_conf->osd_agent_delay_time + << " seconds" << dendl; + + osd->logger->inc(l_osd_tier_delay); + // Queue a timer to call agent_choose_mode for this pg in 5 seconds + agent_timer_lock.Lock(); + Context *cb = new AgentTimeoutCB(pg); + agent_timer.add_event_after(cct->_conf->osd_agent_delay_time, cb); + agent_timer_lock.Unlock(); + } + agent_lock.Lock(); + } + agent_lock.Unlock(); + dout(10) << __func__ << " finish" << dendl; +} + +void OSDService::agent_stop() +{ + { + Mutex::Locker l(agent_lock); + + // By this time all ops should be cancelled + assert(agent_ops == 0); + // By this time all PGs are shutdown and dequeued + if (!agent_queue.empty()) { + set& top = agent_queue.rbegin()->second; + derr << "agent queue not empty, for example " << (*top.begin())->info.pgid << dendl; + assert(0 == "agent queue not empty"); + } + + agent_stop_flag = true; + agent_cond.Signal(); + } + agent_thread.join(); +} + +// ------------------------------------- + +void OSDService::promote_throttle_recalibrate() +{ + utime_t now = ceph_clock_now(); + double dur = now - last_recalibrate; + last_recalibrate = now; + unsigned prob = promote_probability_millis; + + uint64_t target_obj_sec = cct->_conf->osd_tier_promote_max_objects_sec; + uint64_t target_bytes_sec = cct->_conf->osd_tier_promote_max_bytes_sec; + + unsigned min_prob = 1; + + uint64_t attempts, obj, bytes; + promote_counter.sample_and_attenuate(&attempts, &obj, &bytes); + dout(10) << __func__ << " " << attempts << " attempts, promoted " + << obj << " objects and " << pretty_si_t(bytes) << " bytes; target " + << target_obj_sec << " obj/sec or " + << pretty_si_t(target_bytes_sec) << " bytes/sec" + << dendl; + + // calculate what the probability *should* be, given the targets + unsigned new_prob; + if (attempts && dur > 0) { + uint64_t avg_size = 1; + if (obj) + avg_size = MAX(bytes / obj, 1); + unsigned po = (double)target_obj_sec * dur * 1000.0 / (double)attempts; + unsigned pb = (double)target_bytes_sec / (double)avg_size * dur * 1000.0 + / (double)attempts; + dout(20) << __func__ << " po " << po << " pb " << pb << " avg_size " + << avg_size << dendl; + if (target_obj_sec && target_bytes_sec) + new_prob = MIN(po, pb); + else if (target_obj_sec) + new_prob = po; + else if (target_bytes_sec) + new_prob = pb; + else + new_prob = 1000; + } else { + new_prob = 1000; + } + dout(20) << __func__ << " new_prob " << new_prob << dendl; + + // correct for persistent skew between target rate and actual rate, adjust + double ratio = 1.0; + unsigned actual = 0; + if (attempts && obj) { + actual = obj * 1000 / attempts; + ratio = (double)actual / (double)prob; + new_prob = (double)new_prob / ratio; + } + new_prob = MAX(new_prob, min_prob); + new_prob = MIN(new_prob, 1000); + + // adjust + prob = (prob + new_prob) / 2; + prob = MAX(prob, min_prob); + prob = MIN(prob, 1000); + dout(10) << __func__ << " actual " << actual + << ", actual/prob ratio " << ratio + << ", adjusted new_prob " << new_prob + << ", prob " << promote_probability_millis << " -> " << prob + << dendl; + promote_probability_millis = prob; + + // set hard limits for this interval to mitigate stampedes + promote_max_objects = target_obj_sec * OSD::OSD_TICK_INTERVAL * 2; + promote_max_bytes = target_bytes_sec * OSD::OSD_TICK_INTERVAL * 2; +} + +// ------------------------------------- + +float OSDService::get_failsafe_full_ratio() +{ + float full_ratio = cct->_conf->osd_failsafe_full_ratio; + if (full_ratio > 1.0) full_ratio /= 100.0; + return full_ratio; +} + +void OSDService::check_full_status(float ratio) +{ + Mutex::Locker l(full_status_lock); + + cur_ratio = ratio; + + // The OSDMap ratios take precendence. So if the failsafe is .95 and + // the admin sets the cluster full to .96, the failsafe moves up to .96 + // too. (Not that having failsafe == full is ideal, but it's better than + // dropping writes before the clusters appears full.) + OSDMapRef osdmap = get_osdmap(); + if (!osdmap || osdmap->get_epoch() == 0) { + cur_state = NONE; + return; + } + float nearfull_ratio = osdmap->get_nearfull_ratio(); + float backfillfull_ratio = std::max(osdmap->get_backfillfull_ratio(), nearfull_ratio); + float full_ratio = std::max(osdmap->get_full_ratio(), backfillfull_ratio); + float failsafe_ratio = std::max(get_failsafe_full_ratio(), full_ratio); + + if (osdmap->require_osd_release < CEPH_RELEASE_LUMINOUS) { + // use the failsafe for nearfull and full; the mon isn't using the + // flags anyway because we're mid-upgrade. + full_ratio = failsafe_ratio; + backfillfull_ratio = failsafe_ratio; + nearfull_ratio = failsafe_ratio; + } else if (full_ratio <= 0 || + backfillfull_ratio <= 0 || + nearfull_ratio <= 0) { + derr << __func__ << " full_ratio, backfillfull_ratio or nearfull_ratio is <= 0" << dendl; + // use failsafe flag. ick. the monitor did something wrong or the user + // did something stupid. + full_ratio = failsafe_ratio; + backfillfull_ratio = failsafe_ratio; + nearfull_ratio = failsafe_ratio; + } + + string inject; + s_names new_state; + if (injectfull_state > NONE && injectfull) { + new_state = injectfull_state; + inject = "(Injected)"; + } else if (ratio > failsafe_ratio) { + new_state = FAILSAFE; + } else if (ratio > full_ratio) { + new_state = FULL; + } else if (ratio > backfillfull_ratio) { + new_state = BACKFILLFULL; + } else if (ratio > nearfull_ratio) { + new_state = NEARFULL; + } else { + new_state = NONE; + } + dout(20) << __func__ << " cur ratio " << ratio + << ". nearfull_ratio " << nearfull_ratio + << ". backfillfull_ratio " << backfillfull_ratio + << ", full_ratio " << full_ratio + << ", failsafe_ratio " << failsafe_ratio + << ", new state " << get_full_state_name(new_state) + << " " << inject + << dendl; + + // warn + if (cur_state != new_state) { + dout(10) << __func__ << " " << get_full_state_name(cur_state) + << " -> " << get_full_state_name(new_state) << dendl; + if (new_state == FAILSAFE) { + clog->error() << "full status failsafe engaged, dropping updates, now " + << (int)roundf(ratio * 100) << "% full"; + } else if (cur_state == FAILSAFE) { + clog->error() << "full status failsafe disengaged, no longer dropping " + << "updates, now " << (int)roundf(ratio * 100) << "% full"; + } + cur_state = new_state; + } +} + +bool OSDService::need_fullness_update() +{ + OSDMapRef osdmap = get_osdmap(); + s_names cur = NONE; + if (osdmap->exists(whoami)) { + if (osdmap->get_state(whoami) & CEPH_OSD_FULL) { + cur = FULL; + } else if (osdmap->get_state(whoami) & CEPH_OSD_BACKFILLFULL) { + cur = BACKFILLFULL; + } else if (osdmap->get_state(whoami) & CEPH_OSD_NEARFULL) { + cur = NEARFULL; + } + } + s_names want = NONE; + if (is_full()) + want = FULL; + else if (is_backfillfull()) + want = BACKFILLFULL; + else if (is_nearfull()) + want = NEARFULL; + return want != cur; +} + +bool OSDService::_check_full(s_names type, ostream &ss) const +{ + Mutex::Locker l(full_status_lock); + + if (injectfull && injectfull_state >= type) { + // injectfull is either a count of the number of times to return failsafe full + // or if -1 then always return full + if (injectfull > 0) + --injectfull; + ss << "Injected " << get_full_state_name(type) << " OSD (" + << (injectfull < 0 ? "set" : std::to_string(injectfull)) << ")"; + return true; + } + + ss << "current usage is " << cur_ratio; + return cur_state >= type; +} + +bool OSDService::check_failsafe_full(ostream &ss) const +{ + return _check_full(FAILSAFE, ss); +} + +bool OSDService::check_full(ostream &ss) const +{ + return _check_full(FULL, ss); +} + +bool OSDService::check_backfill_full(ostream &ss) const +{ + return _check_full(BACKFILLFULL, ss); +} + +bool OSDService::check_nearfull(ostream &ss) const +{ + return _check_full(NEARFULL, ss); +} + +bool OSDService::is_failsafe_full() const +{ + Mutex::Locker l(full_status_lock); + return cur_state == FAILSAFE; +} + +bool OSDService::is_full() const +{ + Mutex::Locker l(full_status_lock); + return cur_state >= FULL; +} + +bool OSDService::is_backfillfull() const +{ + Mutex::Locker l(full_status_lock); + return cur_state >= BACKFILLFULL; +} + +bool OSDService::is_nearfull() const +{ + Mutex::Locker l(full_status_lock); + return cur_state >= NEARFULL; +} + +void OSDService::set_injectfull(s_names type, int64_t count) +{ + Mutex::Locker l(full_status_lock); + injectfull_state = type; + injectfull = count; +} + +osd_stat_t OSDService::set_osd_stat(const struct store_statfs_t &stbuf, + vector& hb_peers, + int num_pgs) +{ + uint64_t bytes = stbuf.total; + uint64_t used = bytes - stbuf.available; + uint64_t avail = stbuf.available; + + osd->logger->set(l_osd_stat_bytes, bytes); + osd->logger->set(l_osd_stat_bytes_used, used); + osd->logger->set(l_osd_stat_bytes_avail, avail); + + { + Mutex::Locker l(stat_lock); + osd_stat.hb_peers.swap(hb_peers); + osd->op_tracker.get_age_ms_histogram(&osd_stat.op_queue_age_hist); + osd_stat.kb = bytes >> 10; + osd_stat.kb_used = used >> 10; + osd_stat.kb_avail = avail >> 10; + osd_stat.num_pgs = num_pgs; + return osd_stat; + } +} + +void OSDService::update_osd_stat(vector& hb_peers) +{ + // load osd stats first + struct store_statfs_t stbuf; + int r = osd->store->statfs(&stbuf); + if (r < 0) { + derr << "statfs() failed: " << cpp_strerror(r) << dendl; + return; + } + + auto new_stat = set_osd_stat(stbuf, hb_peers, osd->get_num_pgs()); + dout(20) << "update_osd_stat " << new_stat << dendl; + assert(new_stat.kb); + float ratio = ((float)new_stat.kb_used) / ((float)new_stat.kb); + check_full_status(ratio); +} + +bool OSDService::check_osdmap_full(const set &missing_on) +{ + OSDMapRef osdmap = get_osdmap(); + for (auto shard : missing_on) { + if (osdmap->get_state(shard.osd) & CEPH_OSD_FULL) + return true; + } + return false; +} + +void OSDService::send_message_osd_cluster(int peer, Message *m, epoch_t from_epoch) +{ + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + assert(from_epoch <= next_map->get_epoch()); + + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + m->put(); + release_map(next_map); + return; + } + const entity_inst_t& peer_inst = next_map->get_cluster_inst(peer); + ConnectionRef peer_con = osd->cluster_messenger->get_connection(peer_inst); + share_map_peer(peer, peer_con.get(), next_map); + peer_con->send_message(m); + release_map(next_map); +} + +ConnectionRef OSDService::get_con_osd_cluster(int peer, epoch_t from_epoch) +{ + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + assert(from_epoch <= next_map->get_epoch()); + + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + release_map(next_map); + return NULL; + } + ConnectionRef con = osd->cluster_messenger->get_connection(next_map->get_cluster_inst(peer)); + release_map(next_map); + return con; +} + +pair OSDService::get_con_osd_hb(int peer, epoch_t from_epoch) +{ + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + assert(from_epoch <= next_map->get_epoch()); + + pair ret; + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + release_map(next_map); + return ret; + } + ret.first = osd->hb_back_client_messenger->get_connection(next_map->get_hb_back_inst(peer)); + if (next_map->get_hb_front_addr(peer) != entity_addr_t()) + ret.second = osd->hb_front_client_messenger->get_connection(next_map->get_hb_front_inst(peer)); + release_map(next_map); + return ret; +} + + +void OSDService::queue_want_pg_temp(pg_t pgid, vector& want) +{ + Mutex::Locker l(pg_temp_lock); + map >::iterator p = pg_temp_pending.find(pgid); + if (p == pg_temp_pending.end() || + p->second != want) { + pg_temp_wanted[pgid] = want; + } +} + +void OSDService::remove_want_pg_temp(pg_t pgid) +{ + Mutex::Locker l(pg_temp_lock); + pg_temp_wanted.erase(pgid); + pg_temp_pending.erase(pgid); +} + +void OSDService::_sent_pg_temp() +{ + for (map >::iterator p = pg_temp_wanted.begin(); + p != pg_temp_wanted.end(); + ++p) + pg_temp_pending[p->first] = p->second; + pg_temp_wanted.clear(); +} + +void OSDService::requeue_pg_temp() +{ + Mutex::Locker l(pg_temp_lock); + // wanted overrides pending. note that remove_want_pg_temp + // clears the item out of both. + unsigned old_wanted = pg_temp_wanted.size(); + unsigned old_pending = pg_temp_pending.size(); + _sent_pg_temp(); + pg_temp_wanted.swap(pg_temp_pending); + dout(10) << __func__ << " " << old_wanted << " + " << old_pending << " -> " + << pg_temp_wanted.size() << dendl; +} + +void OSDService::send_pg_temp() +{ + Mutex::Locker l(pg_temp_lock); + if (pg_temp_wanted.empty()) + return; + dout(10) << "send_pg_temp " << pg_temp_wanted << dendl; + MOSDPGTemp *m = new MOSDPGTemp(osdmap->get_epoch()); + m->pg_temp = pg_temp_wanted; + monc->send_mon_message(m); + _sent_pg_temp(); +} + +void OSDService::send_pg_created(pg_t pgid) +{ + dout(20) << __func__ << dendl; + if (osdmap->require_osd_release >= CEPH_RELEASE_LUMINOUS) { + monc->send_mon_message(new MOSDPGCreated(pgid)); + } +} + +// -------------------------------------- +// dispatch + +epoch_t OSDService::get_peer_epoch(int peer) +{ + Mutex::Locker l(peer_map_epoch_lock); + map::iterator p = peer_map_epoch.find(peer); + if (p == peer_map_epoch.end()) + return 0; + return p->second; +} + +epoch_t OSDService::note_peer_epoch(int peer, epoch_t e) +{ + Mutex::Locker l(peer_map_epoch_lock); + map::iterator p = peer_map_epoch.find(peer); + if (p != peer_map_epoch.end()) { + if (p->second < e) { + dout(10) << "note_peer_epoch osd." << peer << " has " << e << dendl; + p->second = e; + } else { + dout(30) << "note_peer_epoch osd." << peer << " has " << p->second << " >= " << e << dendl; + } + return p->second; + } else { + dout(10) << "note_peer_epoch osd." << peer << " now has " << e << dendl; + peer_map_epoch[peer] = e; + return e; + } +} + +void OSDService::forget_peer_epoch(int peer, epoch_t as_of) +{ + Mutex::Locker l(peer_map_epoch_lock); + map::iterator p = peer_map_epoch.find(peer); + if (p != peer_map_epoch.end()) { + if (p->second <= as_of) { + dout(10) << "forget_peer_epoch osd." << peer << " as_of " << as_of + << " had " << p->second << dendl; + peer_map_epoch.erase(p); + } else { + dout(10) << "forget_peer_epoch osd." << peer << " as_of " << as_of + << " has " << p->second << " - not forgetting" << dendl; + } + } +} + +bool OSDService::should_share_map(entity_name_t name, Connection *con, + epoch_t epoch, const OSDMapRef& osdmap, + const epoch_t *sent_epoch_p) +{ + dout(20) << "should_share_map " + << name << " " << con->get_peer_addr() + << " " << epoch << dendl; + + // does client have old map? + if (name.is_client()) { + bool message_sendmap = epoch < osdmap->get_epoch(); + if (message_sendmap && sent_epoch_p) { + dout(20) << "client session last_sent_epoch: " + << *sent_epoch_p + << " versus osdmap epoch " << osdmap->get_epoch() << dendl; + if (*sent_epoch_p < osdmap->get_epoch()) { + return true; + } // else we don't need to send it out again + } + } + + if (con->get_messenger() == osd->cluster_messenger && + con != osd->cluster_messenger->get_loopback_connection() && + osdmap->is_up(name.num()) && + (osdmap->get_cluster_addr(name.num()) == con->get_peer_addr() || + osdmap->get_hb_back_addr(name.num()) == con->get_peer_addr())) { + // remember + epoch_t has = MAX(get_peer_epoch(name.num()), epoch); + + // share? + if (has < osdmap->get_epoch()) { + dout(10) << name << " " << con->get_peer_addr() + << " has old map " << epoch << " < " + << osdmap->get_epoch() << dendl; + return true; + } + } + + return false; +} + +void OSDService::share_map( + entity_name_t name, + Connection *con, + epoch_t epoch, + OSDMapRef& osdmap, + epoch_t *sent_epoch_p) +{ + dout(20) << "share_map " + << name << " " << con->get_peer_addr() + << " " << epoch << dendl; + + if (!osd->is_active()) { + /*It is safe not to proceed as OSD is not in healthy state*/ + return; + } + + bool want_shared = should_share_map(name, con, epoch, + osdmap, sent_epoch_p); + + if (want_shared){ + if (name.is_client()) { + dout(10) << name << " has old map " << epoch + << " < " << osdmap->get_epoch() << dendl; + // we know the Session is valid or we wouldn't be sending + if (sent_epoch_p) { + *sent_epoch_p = osdmap->get_epoch(); + } + send_incremental_map(epoch, con, osdmap); + } else if (con->get_messenger() == osd->cluster_messenger && + osdmap->is_up(name.num()) && + (osdmap->get_cluster_addr(name.num()) == con->get_peer_addr() || + osdmap->get_hb_back_addr(name.num()) == con->get_peer_addr())) { + dout(10) << name << " " << con->get_peer_addr() + << " has old map " << epoch << " < " + << osdmap->get_epoch() << dendl; + note_peer_epoch(name.num(), osdmap->get_epoch()); + send_incremental_map(epoch, con, osdmap); + } + } +} + +void OSDService::share_map_peer(int peer, Connection *con, OSDMapRef map) +{ + if (!map) + map = get_osdmap(); + + // send map? + epoch_t pe = get_peer_epoch(peer); + if (pe) { + if (pe < map->get_epoch()) { + send_incremental_map(pe, con, map); + note_peer_epoch(peer, map->get_epoch()); + } else + dout(20) << "share_map_peer " << con << " already has epoch " << pe << dendl; + } else { + dout(20) << "share_map_peer " << con << " don't know epoch, doing nothing" << dendl; + // no idea about peer's epoch. + // ??? send recent ??? + // do nothing. + } +} + +bool OSDService::can_inc_scrubs_pending() +{ + bool can_inc = false; + Mutex::Locker l(sched_scrub_lock); + + if (scrubs_pending + scrubs_active < cct->_conf->osd_max_scrubs) { + dout(20) << __func__ << " " << scrubs_pending << " -> " << (scrubs_pending+1) + << " (max " << cct->_conf->osd_max_scrubs << ", active " << scrubs_active << ")" << dendl; + can_inc = true; + } else { + dout(20) << __func__ << scrubs_pending << " + " << scrubs_active << " active >= max " << cct->_conf->osd_max_scrubs << dendl; + } + + return can_inc; +} + +bool OSDService::inc_scrubs_pending() +{ + bool result = false; + + sched_scrub_lock.Lock(); + if (scrubs_pending + scrubs_active < cct->_conf->osd_max_scrubs) { + dout(20) << "inc_scrubs_pending " << scrubs_pending << " -> " << (scrubs_pending+1) + << " (max " << cct->_conf->osd_max_scrubs << ", active " << scrubs_active << ")" << dendl; + result = true; + ++scrubs_pending; + } else { + dout(20) << "inc_scrubs_pending " << scrubs_pending << " + " << scrubs_active << " active >= max " << cct->_conf->osd_max_scrubs << dendl; + } + sched_scrub_lock.Unlock(); + + return result; +} + +void OSDService::dec_scrubs_pending() +{ + sched_scrub_lock.Lock(); + dout(20) << "dec_scrubs_pending " << scrubs_pending << " -> " << (scrubs_pending-1) + << " (max " << cct->_conf->osd_max_scrubs << ", active " << scrubs_active << ")" << dendl; + --scrubs_pending; + assert(scrubs_pending >= 0); + sched_scrub_lock.Unlock(); +} + +void OSDService::inc_scrubs_active(bool reserved) +{ + sched_scrub_lock.Lock(); + ++(scrubs_active); + if (reserved) { + --(scrubs_pending); + dout(20) << "inc_scrubs_active " << (scrubs_active-1) << " -> " << scrubs_active + << " (max " << cct->_conf->osd_max_scrubs + << ", pending " << (scrubs_pending+1) << " -> " << scrubs_pending << ")" << dendl; + assert(scrubs_pending >= 0); + } else { + dout(20) << "inc_scrubs_active " << (scrubs_active-1) << " -> " << scrubs_active + << " (max " << cct->_conf->osd_max_scrubs + << ", pending " << scrubs_pending << ")" << dendl; + } + sched_scrub_lock.Unlock(); +} + +void OSDService::dec_scrubs_active() +{ + sched_scrub_lock.Lock(); + dout(20) << "dec_scrubs_active " << scrubs_active << " -> " << (scrubs_active-1) + << " (max " << cct->_conf->osd_max_scrubs << ", pending " << scrubs_pending << ")" << dendl; + --scrubs_active; + assert(scrubs_active >= 0); + sched_scrub_lock.Unlock(); +} + +void OSDService::retrieve_epochs(epoch_t *_boot_epoch, epoch_t *_up_epoch, + epoch_t *_bind_epoch) const +{ + Mutex::Locker l(epoch_lock); + if (_boot_epoch) + *_boot_epoch = boot_epoch; + if (_up_epoch) + *_up_epoch = up_epoch; + if (_bind_epoch) + *_bind_epoch = bind_epoch; +} + +void OSDService::set_epochs(const epoch_t *_boot_epoch, const epoch_t *_up_epoch, + const epoch_t *_bind_epoch) +{ + Mutex::Locker l(epoch_lock); + if (_boot_epoch) { + assert(*_boot_epoch == 0 || *_boot_epoch >= boot_epoch); + boot_epoch = *_boot_epoch; + } + if (_up_epoch) { + assert(*_up_epoch == 0 || *_up_epoch >= up_epoch); + up_epoch = *_up_epoch; + } + if (_bind_epoch) { + assert(*_bind_epoch == 0 || *_bind_epoch >= bind_epoch); + bind_epoch = *_bind_epoch; + } +} + +bool OSDService::prepare_to_stop() +{ + Mutex::Locker l(is_stopping_lock); + if (get_state() != NOT_STOPPING) + return false; + + OSDMapRef osdmap = get_osdmap(); + if (osdmap && osdmap->is_up(whoami)) { + dout(0) << __func__ << " telling mon we are shutting down" << dendl; + set_state(PREPARING_TO_STOP); + monc->send_mon_message(new MOSDMarkMeDown(monc->get_fsid(), + osdmap->get_inst(whoami), + osdmap->get_epoch(), + true // request ack + )); + utime_t now = ceph_clock_now(); + utime_t timeout; + timeout.set_from_double(now + cct->_conf->osd_mon_shutdown_timeout); + while ((ceph_clock_now() < timeout) && + (get_state() != STOPPING)) { + is_stopping_cond.WaitUntil(is_stopping_lock, timeout); + } + } + dout(0) << __func__ << " starting shutdown" << dendl; + set_state(STOPPING); + return true; +} + +void OSDService::got_stop_ack() +{ + Mutex::Locker l(is_stopping_lock); + if (get_state() == PREPARING_TO_STOP) { + dout(0) << __func__ << " starting shutdown" << dendl; + set_state(STOPPING); + is_stopping_cond.Signal(); + } else { + dout(10) << __func__ << " ignoring msg" << dendl; + } +} + +MOSDMap *OSDService::build_incremental_map_msg(epoch_t since, epoch_t to, + OSDSuperblock& sblock) +{ + MOSDMap *m = new MOSDMap(monc->get_fsid()); + m->oldest_map = max_oldest_map; + m->newest_map = sblock.newest_map; + + for (epoch_t e = to; e > since; e--) { + bufferlist bl; + if (e > m->oldest_map && get_inc_map_bl(e, bl)) { + m->incremental_maps[e].claim(bl); + } else if (get_map_bl(e, bl)) { + m->maps[e].claim(bl); + break; + } else { + derr << "since " << since << " to " << to + << " oldest " << m->oldest_map << " newest " << m->newest_map + << dendl; + m->put(); + m = NULL; + break; + } + } + return m; +} + +void OSDService::send_map(MOSDMap *m, Connection *con) +{ + con->send_message(m); +} + +void OSDService::send_incremental_map(epoch_t since, Connection *con, + OSDMapRef& osdmap) +{ + epoch_t to = osdmap->get_epoch(); + dout(10) << "send_incremental_map " << since << " -> " << to + << " to " << con << " " << con->get_peer_addr() << dendl; + + MOSDMap *m = NULL; + while (!m) { + OSDSuperblock sblock(get_superblock()); + if (since < sblock.oldest_map) { + // just send latest full map + MOSDMap *m = new MOSDMap(monc->get_fsid()); + m->oldest_map = max_oldest_map; + m->newest_map = sblock.newest_map; + get_map_bl(to, m->maps[to]); + send_map(m, con); + return; + } + + if (to > since && (int64_t)(to - since) > cct->_conf->osd_map_share_max_epochs) { + dout(10) << " " << (to - since) << " > max " << cct->_conf->osd_map_share_max_epochs + << ", only sending most recent" << dendl; + since = to - cct->_conf->osd_map_share_max_epochs; + } + + if (to - since > (epoch_t)cct->_conf->osd_map_message_max) + to = since + cct->_conf->osd_map_message_max; + m = build_incremental_map_msg(since, to, sblock); + } + send_map(m, con); +} + +bool OSDService::_get_map_bl(epoch_t e, bufferlist& bl) +{ + bool found = map_bl_cache.lookup(e, &bl); + if (found) { + if (logger) + logger->inc(l_osd_map_bl_cache_hit); + return true; + } + if (logger) + logger->inc(l_osd_map_bl_cache_miss); + found = store->read(coll_t::meta(), + OSD::get_osdmap_pobject_name(e), 0, 0, bl, + CEPH_OSD_OP_FLAG_FADVISE_WILLNEED) >= 0; + if (found) { + _add_map_bl(e, bl); + } + return found; +} + +bool OSDService::get_inc_map_bl(epoch_t e, bufferlist& bl) +{ + Mutex::Locker l(map_cache_lock); + bool found = map_bl_inc_cache.lookup(e, &bl); + if (found) { + if (logger) + logger->inc(l_osd_map_bl_cache_hit); + return true; + } + if (logger) + logger->inc(l_osd_map_bl_cache_miss); + found = store->read(coll_t::meta(), + OSD::get_inc_osdmap_pobject_name(e), 0, 0, bl, + CEPH_OSD_OP_FLAG_FADVISE_WILLNEED) >= 0; + if (found) { + _add_map_inc_bl(e, bl); + } + return found; +} + +void OSDService::_add_map_bl(epoch_t e, bufferlist& bl) +{ + dout(10) << "add_map_bl " << e << " " << bl.length() << " bytes" << dendl; + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + bl.try_assign_to_mempool(mempool::mempool_osd_mapbl); + map_bl_cache.add(e, bl); +} + +void OSDService::_add_map_inc_bl(epoch_t e, bufferlist& bl) +{ + dout(10) << "add_map_inc_bl " << e << " " << bl.length() << " bytes" << dendl; + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + bl.try_assign_to_mempool(mempool::mempool_osd_mapbl); + map_bl_inc_cache.add(e, bl); +} + +void OSDService::pin_map_inc_bl(epoch_t e, bufferlist &bl) +{ + Mutex::Locker l(map_cache_lock); + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + map_bl_inc_cache.pin(e, bl); +} + +void OSDService::pin_map_bl(epoch_t e, bufferlist &bl) +{ + Mutex::Locker l(map_cache_lock); + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + map_bl_cache.pin(e, bl); +} + +void OSDService::clear_map_bl_cache_pins(epoch_t e) +{ + Mutex::Locker l(map_cache_lock); + map_bl_inc_cache.clear_pinned(e); + map_bl_cache.clear_pinned(e); +} + +OSDMapRef OSDService::_add_map(OSDMap *o) +{ + epoch_t e = o->get_epoch(); + + if (cct->_conf->osd_map_dedup) { + // Dedup against an existing map at a nearby epoch + OSDMapRef for_dedup = map_cache.lower_bound(e); + if (for_dedup) { + OSDMap::dedup(for_dedup.get(), o); + } + } + bool existed; + OSDMapRef l = map_cache.add(e, o, &existed); + if (existed) { + delete o; + } + return l; +} + +OSDMapRef OSDService::try_get_map(epoch_t epoch) +{ + Mutex::Locker l(map_cache_lock); + OSDMapRef retval = map_cache.lookup(epoch); + if (retval) { + dout(30) << "get_map " << epoch << " -cached" << dendl; + if (logger) { + logger->inc(l_osd_map_cache_hit); + } + return retval; + } + if (logger) { + logger->inc(l_osd_map_cache_miss); + epoch_t lb = map_cache.cached_key_lower_bound(); + if (epoch < lb) { + dout(30) << "get_map " << epoch << " - miss, below lower bound" << dendl; + logger->inc(l_osd_map_cache_miss_low); + logger->inc(l_osd_map_cache_miss_low_avg, lb - epoch); + } + } + + OSDMap *map = new OSDMap; + if (epoch > 0) { + dout(20) << "get_map " << epoch << " - loading and decoding " << map << dendl; + bufferlist bl; + if (!_get_map_bl(epoch, bl) || bl.length() == 0) { + derr << "failed to load OSD map for epoch " << epoch << ", got " << bl.length() << " bytes" << dendl; + delete map; + return OSDMapRef(); + } + map->decode(bl); + } else { + dout(20) << "get_map " << epoch << " - return initial " << map << dendl; + } + return _add_map(map); +} + +// ops + + +void OSDService::reply_op_error(OpRequestRef op, int err) +{ + reply_op_error(op, err, eversion_t(), 0); +} + +void OSDService::reply_op_error(OpRequestRef op, int err, eversion_t v, + version_t uv) +{ + const MOSDOp *m = static_cast(op->get_req()); + assert(m->get_type() == CEPH_MSG_OSD_OP); + int flags; + flags = m->get_flags() & (CEPH_OSD_FLAG_ACK|CEPH_OSD_FLAG_ONDISK); + + MOSDOpReply *reply = new MOSDOpReply(m, err, osdmap->get_epoch(), flags, + true); + reply->set_reply_versions(v, uv); + m->get_connection()->send_message(reply); +} + +void OSDService::handle_misdirected_op(PG *pg, OpRequestRef op) +{ + if (!cct->_conf->osd_debug_misdirected_ops) { + return; + } + + const MOSDOp *m = static_cast(op->get_req()); + assert(m->get_type() == CEPH_MSG_OSD_OP); + + assert(m->get_map_epoch() >= pg->info.history.same_primary_since); + + if (pg->is_ec_pg()) { + /** + * OSD recomputes op target based on current OSDMap. With an EC pg, we + * can get this result: + * 1) client at map 512 sends an op to osd 3, pg_t 3.9 based on mapping + * [CRUSH_ITEM_NONE, 2, 3]/3 + * 2) OSD 3 at map 513 remaps op to osd 3, spg_t 3.9s0 based on mapping + * [3, 2, 3]/3 + * 3) PG 3.9s0 dequeues the op at epoch 512 and notices that it isn't primary + * -- misdirected op + * 4) client resends and this time PG 3.9s0 having caught up to 513 gets + * it and fulfils it + * + * We can't compute the op target based on the sending map epoch due to + * splitting. The simplest thing is to detect such cases here and drop + * them without an error (the client will resend anyway). + */ + assert(m->get_map_epoch() <= superblock.newest_map); + OSDMapRef opmap = try_get_map(m->get_map_epoch()); + if (!opmap) { + dout(7) << __func__ << ": " << *pg << " no longer have map for " + << m->get_map_epoch() << ", dropping" << dendl; + return; + } + pg_t _pgid = m->get_raw_pg(); + spg_t pgid; + if ((m->get_flags() & CEPH_OSD_FLAG_PGOP) == 0) + _pgid = opmap->raw_pg_to_pg(_pgid); + if (opmap->get_primary_shard(_pgid, &pgid) && + pgid.shard != pg->info.pgid.shard) { + dout(7) << __func__ << ": " << *pg << " primary changed since " + << m->get_map_epoch() << ", dropping" << dendl; + return; + } + } + + dout(7) << *pg << " misdirected op in " << m->get_map_epoch() << dendl; + clog->warn() << m->get_source_inst() << " misdirected " << m->get_reqid() + << " pg " << m->get_raw_pg() + << " to osd." << whoami + << " not " << pg->acting + << " in e" << m->get_map_epoch() << "/" << osdmap->get_epoch(); +} + +void OSDService::enqueue_back(spg_t pgid, PGQueueable qi) +{ + osd->op_shardedwq.queue(make_pair(pgid, qi)); +} + +void OSDService::enqueue_front(spg_t pgid, PGQueueable qi) +{ + osd->op_shardedwq.queue_front(make_pair(pgid, qi)); +} + +void OSDService::queue_for_peering(PG *pg) +{ + peering_wq.queue(pg); +} + +void OSDService::queue_for_snap_trim(PG *pg) +{ + dout(10) << "queueing " << *pg << " for snaptrim" << dendl; + osd->op_shardedwq.queue( + make_pair( + pg->info.pgid, + PGQueueable( + PGSnapTrim(pg->get_osdmap()->get_epoch()), + cct->_conf->osd_snap_trim_cost, + cct->_conf->osd_snap_trim_priority, + ceph_clock_now(), + entity_inst_t(), + pg->get_osdmap()->get_epoch()))); +} + + +// ==================================================================== +// OSD + +#undef dout_prefix +#define dout_prefix *_dout + +// Commands shared between OSD's console and admin console: +namespace ceph { +namespace osd_cmds { + +int heap(CephContext& cct, cmdmap_t& cmdmap, Formatter& f, std::ostream& os); + +}} // namespace ceph::osd_cmds + +int OSD::mkfs(CephContext *cct, ObjectStore *store, const string &dev, + uuid_d fsid, int whoami) +{ + int ret; + + ceph::shared_ptr osr( + new ObjectStore::Sequencer("mkfs")); + OSDSuperblock sb; + bufferlist sbbl; + C_SaferCond waiter; + + // if we are fed a uuid for this osd, use it. + store->set_fsid(cct->_conf->osd_uuid); + + ret = store->mkfs(); + if (ret) { + derr << "OSD::mkfs: ObjectStore::mkfs failed with error " + << cpp_strerror(ret) << dendl; + goto free_store; + } + + store->set_cache_shards(1); // doesn't matter for mkfs! + + ret = store->mount(); + if (ret) { + derr << "OSD::mkfs: couldn't mount ObjectStore: error " + << cpp_strerror(ret) << dendl; + goto free_store; + } + + ret = store->read(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, 0, sbbl); + if (ret >= 0) { + /* if we already have superblock, check content of superblock */ + dout(0) << " have superblock" << dendl; + bufferlist::iterator p; + p = sbbl.begin(); + ::decode(sb, p); + if (whoami != sb.whoami) { + derr << "provided osd id " << whoami << " != superblock's " << sb.whoami + << dendl; + ret = -EINVAL; + goto umount_store; + } + if (fsid != sb.cluster_fsid) { + derr << "provided cluster fsid " << fsid + << " != superblock's " << sb.cluster_fsid << dendl; + ret = -EINVAL; + goto umount_store; + } + } else { + // create superblock + sb.cluster_fsid = fsid; + sb.osd_fsid = store->get_fsid(); + sb.whoami = whoami; + sb.compat_features = get_osd_initial_compat_set(); + + bufferlist bl; + ::encode(sb, bl); + + ObjectStore::Transaction t; + t.create_collection(coll_t::meta(), 0); + t.write(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, bl.length(), bl); + ret = store->apply_transaction(osr.get(), std::move(t)); + if (ret) { + derr << "OSD::mkfs: error while writing OSD_SUPERBLOCK_GOBJECT: " + << "apply_transaction returned " << cpp_strerror(ret) << dendl; + goto umount_store; + } + } + + if (!osr->flush_commit(&waiter)) { + waiter.wait(); + } + + ret = write_meta(cct, store, sb.cluster_fsid, sb.osd_fsid, whoami); + if (ret) { + derr << "OSD::mkfs: failed to write fsid file: error " + << cpp_strerror(ret) << dendl; + goto umount_store; + } + +umount_store: + store->umount(); +free_store: + delete store; + return ret; +} + +int OSD::write_meta(CephContext *cct, ObjectStore *store, uuid_d& cluster_fsid, uuid_d& osd_fsid, int whoami) +{ + char val[80]; + int r; + + snprintf(val, sizeof(val), "%s", CEPH_OSD_ONDISK_MAGIC); + r = store->write_meta("magic", val); + if (r < 0) + return r; + + snprintf(val, sizeof(val), "%d", whoami); + r = store->write_meta("whoami", val); + if (r < 0) + return r; + + cluster_fsid.print(val); + r = store->write_meta("ceph_fsid", val); + if (r < 0) + return r; + + string key = cct->_conf->get_val("key"); + lderr(cct) << "key " << key << dendl; + if (key.size()) { + r = store->write_meta("osd_key", key); + if (r < 0) + return r; + } + + r = store->write_meta("ready", "ready"); + if (r < 0) + return r; + + return 0; +} + +int OSD::peek_meta(ObjectStore *store, std::string& magic, + uuid_d& cluster_fsid, uuid_d& osd_fsid, int& whoami) +{ + string val; + + int r = store->read_meta("magic", &val); + if (r < 0) + return r; + magic = val; + + r = store->read_meta("whoami", &val); + if (r < 0) + return r; + whoami = atoi(val.c_str()); + + r = store->read_meta("ceph_fsid", &val); + if (r < 0) + return r; + r = cluster_fsid.parse(val.c_str()); + if (!r) + return -EINVAL; + + r = store->read_meta("fsid", &val); + if (r < 0) { + osd_fsid = uuid_d(); + } else { + r = osd_fsid.parse(val.c_str()); + if (!r) + return -EINVAL; + } + + return 0; +} + + +#undef dout_prefix +#define dout_prefix _prefix(_dout, whoami, get_osdmap_epoch()) + +// cons/des + +OSD::OSD(CephContext *cct_, ObjectStore *store_, + int id, + Messenger *internal_messenger, + Messenger *external_messenger, + Messenger *hb_client_front, + Messenger *hb_client_back, + Messenger *hb_front_serverm, + Messenger *hb_back_serverm, + Messenger *osdc_messenger, + MonClient *mc, + const std::string &dev, const std::string &jdev) : + Dispatcher(cct_), + osd_lock("OSD::osd_lock"), + tick_timer(cct, osd_lock), + tick_timer_lock("OSD::tick_timer_lock"), + tick_timer_without_osd_lock(cct, tick_timer_lock), + authorize_handler_cluster_registry(new AuthAuthorizeHandlerRegistry(cct, + cct->_conf->auth_supported.empty() ? + cct->_conf->auth_cluster_required : + cct->_conf->auth_supported)), + authorize_handler_service_registry(new AuthAuthorizeHandlerRegistry(cct, + cct->_conf->auth_supported.empty() ? + cct->_conf->auth_service_required : + cct->_conf->auth_supported)), + cluster_messenger(internal_messenger), + client_messenger(external_messenger), + objecter_messenger(osdc_messenger), + monc(mc), + mgrc(cct_, client_messenger), + logger(NULL), + recoverystate_perf(NULL), + store(store_), + log_client(cct, client_messenger, &mc->monmap, LogClient::NO_FLAGS), + clog(log_client.create_channel()), + whoami(id), + dev_path(dev), journal_path(jdev), + store_is_rotational(store->is_rotational()), + trace_endpoint("0.0.0.0", 0, "osd"), + asok_hook(NULL), + osd_compat(get_osd_compat_set()), + peering_tp(cct, "OSD::peering_tp", "tp_peering", + cct->_conf->osd_peering_wq_threads, + "osd_peering_tp_threads"), + osd_op_tp(cct, "OSD::osd_op_tp", "tp_osd_tp", + get_num_op_threads()), + disk_tp(cct, "OSD::disk_tp", "tp_osd_disk", cct->_conf->osd_disk_threads, "osd_disk_threads"), + command_tp(cct, "OSD::command_tp", "tp_osd_cmd", 1), + session_waiting_lock("OSD::session_waiting_lock"), + osdmap_subscribe_lock("OSD::osdmap_subscribe_lock"), + heartbeat_lock("OSD::heartbeat_lock"), + heartbeat_stop(false), + heartbeat_need_update(true), + hb_front_client_messenger(hb_client_front), + hb_back_client_messenger(hb_client_back), + hb_front_server_messenger(hb_front_serverm), + hb_back_server_messenger(hb_back_serverm), + daily_loadavg(0.0), + heartbeat_thread(this), + heartbeat_dispatcher(this), + op_tracker(cct, cct->_conf->osd_enable_op_tracker, + cct->_conf->osd_num_op_tracker_shard), + test_ops_hook(NULL), + op_queue(get_io_queue()), + op_prio_cutoff(get_io_prio_cut()), + op_shardedwq( + get_num_op_shards(), + this, + cct->_conf->osd_op_thread_timeout, + cct->_conf->osd_op_thread_suicide_timeout, + &osd_op_tp), + peering_wq( + this, + cct->_conf->osd_op_thread_timeout, + cct->_conf->osd_op_thread_suicide_timeout, + &peering_tp), + map_lock("OSD::map_lock"), + pg_map_lock("OSD::pg_map_lock"), + last_pg_create_epoch(0), + mon_report_lock("OSD::mon_report_lock"), + stats_ack_timeout(cct->_conf->osd_mon_ack_timeout), + up_thru_wanted(0), + requested_full_first(0), + requested_full_last(0), + pg_stat_queue_lock("OSD::pg_stat_queue_lock"), + osd_stat_updated(false), + pg_stat_tid(0), pg_stat_tid_flushed(0), + command_wq( + this, + cct->_conf->osd_command_thread_timeout, + cct->_conf->osd_command_thread_suicide_timeout, + &command_tp), + remove_wq( + cct, + store, + cct->_conf->osd_remove_thread_timeout, + cct->_conf->osd_remove_thread_suicide_timeout, + &disk_tp), + service(this) +{ + monc->set_messenger(client_messenger); + op_tracker.set_complaint_and_threshold(cct->_conf->osd_op_complaint_time, + cct->_conf->osd_op_log_threshold); + op_tracker.set_history_size_and_duration(cct->_conf->osd_op_history_size, + cct->_conf->osd_op_history_duration); + op_tracker.set_history_slow_op_size_and_threshold(cct->_conf->osd_op_history_slow_op_size, + cct->_conf->osd_op_history_slow_op_threshold); +#ifdef WITH_BLKIN + std::stringstream ss; + ss << "osd." << whoami; + trace_endpoint.copy_name(ss.str()); +#endif +} + +OSD::~OSD() +{ + delete authorize_handler_cluster_registry; + delete authorize_handler_service_registry; + delete class_handler; + cct->get_perfcounters_collection()->remove(recoverystate_perf); + cct->get_perfcounters_collection()->remove(logger); + delete recoverystate_perf; + delete logger; + delete store; +} + +void cls_initialize(ClassHandler *ch); + +void OSD::handle_signal(int signum) +{ + assert(signum == SIGINT || signum == SIGTERM); + derr << "*** Got signal " << sig_str(signum) << " ***" << dendl; + shutdown(); +} + +int OSD::pre_init() +{ + Mutex::Locker lock(osd_lock); + if (is_stopping()) + return 0; + + if (store->test_mount_in_use()) { + derr << "OSD::pre_init: object store '" << dev_path << "' is " + << "currently in use. (Is ceph-osd already running?)" << dendl; + return -EBUSY; + } + + cct->_conf->add_observer(this); + return 0; +} + +// asok + +class OSDSocketHook : public AdminSocketHook { + OSD *osd; +public: + explicit OSDSocketHook(OSD *o) : osd(o) {} + bool call(std::string admin_command, cmdmap_t& cmdmap, std::string format, + bufferlist& out) override { + stringstream ss; + bool r = osd->asok_command(admin_command, cmdmap, format, ss); + out.append(ss); + return r; + } +}; + +bool OSD::asok_command(string admin_command, cmdmap_t& cmdmap, string format, + ostream& ss) +{ + Formatter *f = Formatter::create(format, "json-pretty", "json-pretty"); + if (admin_command == "status") { + f->open_object_section("status"); + f->dump_stream("cluster_fsid") << superblock.cluster_fsid; + f->dump_stream("osd_fsid") << superblock.osd_fsid; + f->dump_unsigned("whoami", superblock.whoami); + f->dump_string("state", get_state_name(get_state())); + f->dump_unsigned("oldest_map", superblock.oldest_map); + f->dump_unsigned("newest_map", superblock.newest_map); + { + RWLock::RLocker l(pg_map_lock); + f->dump_unsigned("num_pgs", pg_map.size()); + } + f->close_section(); + } else if (admin_command == "flush_journal") { + store->flush_journal(); + } else if (admin_command == "dump_ops_in_flight" || + admin_command == "ops" || + admin_command == "dump_blocked_ops" || + admin_command == "dump_historic_ops" || + admin_command == "dump_historic_ops_by_duration" || + admin_command == "dump_historic_slow_ops") { + + const string error_str = "op_tracker tracking is not enabled now, so no ops are tracked currently, \ +even those get stuck. Please enable \"osd_enable_op_tracker\", and the tracker \ +will start to track new ops received afterwards."; + + set filters; + vector filter_str; + if (cmd_getval(cct, cmdmap, "filterstr", filter_str)) { + copy(filter_str.begin(), filter_str.end(), + inserter(filters, filters.end())); + } + + if (admin_command == "dump_ops_in_flight" || + admin_command == "ops") { + if (!op_tracker.dump_ops_in_flight(f, false, filters)) { + ss << error_str; + } + } + if (admin_command == "dump_blocked_ops") { + if (!op_tracker.dump_ops_in_flight(f, true, filters)) { + ss << error_str; + } + } + if (admin_command == "dump_historic_ops") { + if (!op_tracker.dump_historic_ops(f, false, filters)) { + ss << error_str; + } + } + if (admin_command == "dump_historic_ops_by_duration") { + if (!op_tracker.dump_historic_ops(f, true, filters)) { + ss << error_str; + } + } + if (admin_command == "dump_historic_slow_ops") { + if (!op_tracker.dump_historic_slow_ops(f, filters)) { + ss << error_str; + } + } + } else if (admin_command == "dump_op_pq_state") { + f->open_object_section("pq"); + op_shardedwq.dump(f); + f->close_section(); + } else if (admin_command == "dump_blacklist") { + list > bl; + OSDMapRef curmap = service.get_osdmap(); + + f->open_array_section("blacklist"); + curmap->get_blacklist(&bl); + for (list >::iterator it = bl.begin(); + it != bl.end(); ++it) { + f->open_object_section("entry"); + f->open_object_section("entity_addr_t"); + it->first.dump(f); + f->close_section(); //entity_addr_t + it->second.localtime(f->dump_stream("expire_time")); + f->close_section(); //entry + } + f->close_section(); //blacklist + } else if (admin_command == "dump_watchers") { + list watchers; + // scan pg's + { + Mutex::Locker l(osd_lock); + RWLock::RLocker l2(pg_map_lock); + for (ceph::unordered_map::iterator it = pg_map.begin(); + it != pg_map.end(); + ++it) { + + list pg_watchers; + PG *pg = it->second; + pg->lock(); + pg->get_watchers(pg_watchers); + pg->unlock(); + watchers.splice(watchers.end(), pg_watchers); + } + } + + f->open_array_section("watchers"); + for (list::iterator it = watchers.begin(); + it != watchers.end(); ++it) { + + f->open_object_section("watch"); + + f->dump_string("namespace", it->obj.nspace); + f->dump_string("object", it->obj.oid.name); + + f->open_object_section("entity_name"); + it->wi.name.dump(f); + f->close_section(); //entity_name_t + + f->dump_unsigned("cookie", it->wi.cookie); + f->dump_unsigned("timeout", it->wi.timeout_seconds); + + f->open_object_section("entity_addr_t"); + it->wi.addr.dump(f); + f->close_section(); //entity_addr_t + + f->close_section(); //watch + } + + f->close_section(); //watchers + } else if (admin_command == "dump_reservations") { + f->open_object_section("reservations"); + f->open_object_section("local_reservations"); + service.local_reserver.dump(f); + f->close_section(); + f->open_object_section("remote_reservations"); + service.remote_reserver.dump(f); + f->close_section(); + f->close_section(); + } else if (admin_command == "get_latest_osdmap") { + get_latest_osdmap(); + } else if (admin_command == "heap") { + auto result = ceph::osd_cmds::heap(*cct, cmdmap, *f, ss); + + // Note: Failed heap profile commands won't necessarily trigger an error: + f->open_object_section("result"); + f->dump_string("error", cpp_strerror(result)); + f->dump_bool("success", result >= 0); + f->close_section(); + } else if (admin_command == "set_heap_property") { + string property; + int64_t value = 0; + string error; + bool success = false; + if (!cmd_getval(cct, cmdmap, "property", property)) { + error = "unable to get property"; + success = false; + } else if (!cmd_getval(cct, cmdmap, "value", value)) { + error = "unable to get value"; + success = false; + } else if (value < 0) { + error = "negative value not allowed"; + success = false; + } else if (!ceph_heap_set_numeric_property(property.c_str(), (size_t)value)) { + error = "invalid property"; + success = false; + } else { + success = true; + } + f->open_object_section("result"); + f->dump_string("error", error); + f->dump_bool("success", success); + f->close_section(); + } else if (admin_command == "get_heap_property") { + string property; + size_t value = 0; + string error; + bool success = false; + if (!cmd_getval(cct, cmdmap, "property", property)) { + error = "unable to get property"; + success = false; + } else if (!ceph_heap_get_numeric_property(property.c_str(), &value)) { + error = "invalid property"; + success = false; + } else { + success = true; + } + f->open_object_section("result"); + f->dump_string("error", error); + f->dump_bool("success", success); + f->dump_int("value", value); + f->close_section(); + } else if (admin_command == "dump_objectstore_kv_stats") { + store->get_db_statistics(f); + } else if (admin_command == "dump_scrubs") { + service.dumps_scrub(f); + } else if (admin_command == "calc_objectstore_db_histogram") { + store->generate_db_histogram(f); + } else if (admin_command == "flush_store_cache") { + store->flush_cache(); + } else if (admin_command == "dump_pgstate_history") { + f->open_object_section("pgstate_history"); + RWLock::RLocker l2(pg_map_lock); + for (ceph::unordered_map::iterator it = pg_map.begin(); + it != pg_map.end(); + ++it) { + + PG *pg = it->second; + f->dump_stream("pg") << pg->get_pgid(); + pg->lock(); + pg->pgstate_history.dump(f); + pg->unlock(); + } + f->close_section(); + } else if (admin_command == "compact") { + dout(1) << "triggering manual compaction" << dendl; + auto start = ceph::coarse_mono_clock::now(); + store->compact(); + auto end = ceph::coarse_mono_clock::now(); + auto time_span = chrono::duration_cast>(end - start); + dout(1) << "finished manual compaction in " + << time_span.count() + << " seconds" << dendl; + f->open_object_section("compact_result"); + f->dump_float("elapsed_time", time_span.count()); + f->close_section(); + } else { + assert(0 == "broken asok registration"); + } + f->flush(ss); + delete f; + return true; +} + +class TestOpsSocketHook : public AdminSocketHook { + OSDService *service; + ObjectStore *store; +public: + TestOpsSocketHook(OSDService *s, ObjectStore *st) : service(s), store(st) {} + bool call(std::string command, cmdmap_t& cmdmap, std::string format, + bufferlist& out) override { + stringstream ss; + test_ops(service, store, command, cmdmap, ss); + out.append(ss); + return true; + } + void test_ops(OSDService *service, ObjectStore *store, + const std::string &command, cmdmap_t& cmdmap, ostream &ss); + +}; + +class OSD::C_Tick : public Context { + OSD *osd; + public: + explicit C_Tick(OSD *o) : osd(o) {} + void finish(int r) override { + osd->tick(); + } +}; + +class OSD::C_Tick_WithoutOSDLock : public Context { + OSD *osd; + public: + explicit C_Tick_WithoutOSDLock(OSD *o) : osd(o) {} + void finish(int r) override { + osd->tick_without_osd_lock(); + } +}; + +int OSD::enable_disable_fuse(bool stop) +{ +#ifdef HAVE_LIBFUSE + int r; + string mntpath = cct->_conf->osd_data + "/fuse"; + if (fuse_store && (stop || !cct->_conf->osd_objectstore_fuse)) { + dout(1) << __func__ << " disabling" << dendl; + fuse_store->stop(); + delete fuse_store; + fuse_store = NULL; + r = ::rmdir(mntpath.c_str()); + if (r < 0) { + r = -errno; + derr << __func__ << " failed to rmdir " << mntpath << ": " + << cpp_strerror(r) << dendl; + return r; + } + return 0; + } + if (!fuse_store && cct->_conf->osd_objectstore_fuse) { + dout(1) << __func__ << " enabling" << dendl; + r = ::mkdir(mntpath.c_str(), 0700); + if (r < 0) + r = -errno; + if (r < 0 && r != -EEXIST) { + derr << __func__ << " unable to create " << mntpath << ": " + << cpp_strerror(r) << dendl; + return r; + } + fuse_store = new FuseStore(store, mntpath); + r = fuse_store->start(); + if (r < 0) { + derr << __func__ << " unable to start fuse: " << cpp_strerror(r) << dendl; + delete fuse_store; + fuse_store = NULL; + return r; + } + } +#endif // HAVE_LIBFUSE + return 0; +} + +int OSD::get_num_op_shards() +{ + if (cct->_conf->osd_op_num_shards) + return cct->_conf->osd_op_num_shards; + if (store_is_rotational) + return cct->_conf->osd_op_num_shards_hdd; + else + return cct->_conf->osd_op_num_shards_ssd; +} + +int OSD::get_num_op_threads() +{ + if (cct->_conf->osd_op_num_threads_per_shard) + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard; + if (store_is_rotational) + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard_hdd; + else + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard_ssd; +} + +float OSD::get_osd_recovery_sleep() +{ + if (cct->_conf->osd_recovery_sleep) + return cct->_conf->osd_recovery_sleep; + if (!store_is_rotational && !journal_is_rotational) + return cct->_conf->osd_recovery_sleep_ssd; + else if (store_is_rotational && !journal_is_rotational) + return cct->_conf->get_val("osd_recovery_sleep_hybrid"); + else + return cct->_conf->osd_recovery_sleep_hdd; +} + +int OSD::init() +{ + CompatSet initial, diff; + Mutex::Locker lock(osd_lock); + if (is_stopping()) + return 0; + + tick_timer.init(); + tick_timer_without_osd_lock.init(); + service.recovery_request_timer.init(); + service.recovery_sleep_timer.init(); + + // mount. + dout(2) << "init " << dev_path + << " (looks like " << (store_is_rotational ? "hdd" : "ssd") << ")" + << dendl; + dout(2) << "journal " << journal_path << dendl; + assert(store); // call pre_init() first! + + store->set_cache_shards(get_num_op_shards()); + + int r = store->mount(); + if (r < 0) { + derr << "OSD:init: unable to mount object store" << dendl; + return r; + } + journal_is_rotational = store->is_journal_rotational(); + dout(2) << "journal looks like " << (journal_is_rotational ? "hdd" : "ssd") + << dendl; + + enable_disable_fuse(false); + + dout(2) << "boot" << dendl; + + // initialize the daily loadavg with current 15min loadavg + double loadavgs[3]; + if (getloadavg(loadavgs, 3) == 3) { + daily_loadavg = loadavgs[2]; + } else { + derr << "OSD::init() : couldn't read loadavgs\n" << dendl; + daily_loadavg = 1.0; + } + + int rotating_auth_attempts = 0; + + // sanity check long object name handling + { + hobject_t l; + l.oid.name = string(cct->_conf->osd_max_object_name_len, 'n'); + l.set_key(string(cct->_conf->osd_max_object_name_len, 'k')); + l.nspace = string(cct->_conf->osd_max_object_namespace_len, 's'); + r = store->validate_hobject_key(l); + if (r < 0) { + derr << "backend (" << store->get_type() << ") is unable to support max " + << "object name[space] len" << dendl; + derr << " osd max object name len = " + << cct->_conf->osd_max_object_name_len << dendl; + derr << " osd max object namespace len = " + << cct->_conf->osd_max_object_namespace_len << dendl; + derr << cpp_strerror(r) << dendl; + if (cct->_conf->osd_check_max_object_name_len_on_startup) { + goto out; + } + derr << "osd_check_max_object_name_len_on_startup = false, starting anyway" + << dendl; + } else { + dout(20) << "configured osd_max_object_name[space]_len looks ok" << dendl; + } + } + + // read superblock + r = read_superblock(); + if (r < 0) { + derr << "OSD::init() : unable to read osd superblock" << dendl; + r = -EINVAL; + goto out; + } + + if (osd_compat.compare(superblock.compat_features) < 0) { + derr << "The disk uses features unsupported by the executable." << dendl; + derr << " ondisk features " << superblock.compat_features << dendl; + derr << " daemon features " << osd_compat << dendl; + + if (osd_compat.writeable(superblock.compat_features)) { + CompatSet diff = osd_compat.unsupported(superblock.compat_features); + derr << "it is still writeable, though. Missing features: " << diff << dendl; + r = -EOPNOTSUPP; + goto out; + } + else { + CompatSet diff = osd_compat.unsupported(superblock.compat_features); + derr << "Cannot write to disk! Missing features: " << diff << dendl; + r = -EOPNOTSUPP; + goto out; + } + } + + assert_warn(whoami == superblock.whoami); + if (whoami != superblock.whoami) { + derr << "OSD::init: superblock says osd" + << superblock.whoami << " but I am osd." << whoami << dendl; + r = -EINVAL; + goto out; + } + + initial = get_osd_initial_compat_set(); + diff = superblock.compat_features.unsupported(initial); + if (superblock.compat_features.merge(initial)) { + // We need to persist the new compat_set before we + // do anything else + dout(5) << "Upgrading superblock adding: " << diff << dendl; + ObjectStore::Transaction t; + write_superblock(t); + r = store->apply_transaction(service.meta_osr.get(), std::move(t)); + if (r < 0) + goto out; + } + + // make sure snap mapper object exists + if (!store->exists(coll_t::meta(), OSD::make_snapmapper_oid())) { + dout(10) << "init creating/touching snapmapper object" << dendl; + ObjectStore::Transaction t; + t.touch(coll_t::meta(), OSD::make_snapmapper_oid()); + r = store->apply_transaction(service.meta_osr.get(), std::move(t)); + if (r < 0) + goto out; + } + + class_handler = new ClassHandler(cct); + cls_initialize(class_handler); + + if (cct->_conf->osd_open_classes_on_start) { + int r = class_handler->open_all_classes(); + if (r) + dout(1) << "warning: got an error loading one or more classes: " << cpp_strerror(r) << dendl; + } + + // load up "current" osdmap + assert_warn(!osdmap); + if (osdmap) { + derr << "OSD::init: unable to read current osdmap" << dendl; + r = -EINVAL; + goto out; + } + osdmap = get_map(superblock.current_epoch); + check_osdmap_features(store); + + create_recoverystate_perf(); + + { + epoch_t bind_epoch = osdmap->get_epoch(); + service.set_epochs(NULL, NULL, &bind_epoch); + } + + clear_temp_objects(); + + // initialize osdmap references in sharded wq + op_shardedwq.prune_pg_waiters(osdmap, whoami); + + // load up pgs (as they previously existed) + load_pgs(); + + dout(2) << "superblock: I am osd." << superblock.whoami << dendl; + dout(0) << "using " << op_queue << " op queue with priority op cut off at " << + op_prio_cutoff << "." << dendl; + + create_logger(); + + // i'm ready! + client_messenger->add_dispatcher_head(this); + cluster_messenger->add_dispatcher_head(this); + + hb_front_client_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_back_client_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_front_server_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_back_server_messenger->add_dispatcher_head(&heartbeat_dispatcher); + + objecter_messenger->add_dispatcher_head(service.objecter); + + monc->set_want_keys(CEPH_ENTITY_TYPE_MON | CEPH_ENTITY_TYPE_OSD + | CEPH_ENTITY_TYPE_MGR); + r = monc->init(); + if (r < 0) + goto out; + + /** + * FIXME: this is a placeholder implementation that unconditionally + * sends every is_primary PG's stats every time we're called, unlike + * the existing mon PGStats mechanism that uses pg_stat_queue and acks. + * This has equivalent cost to the existing worst case where all + * PGs are busy and their stats are always enqueued for sending. + */ + mgrc.set_pgstats_cb([this](){ + RWLock::RLocker l(map_lock); + + utime_t had_for = ceph_clock_now() - had_map_since; + osd_stat_t cur_stat = service.get_osd_stat(); + cur_stat.os_perf_stat = store->get_cur_stats(); + + MPGStats *m = new MPGStats(monc->get_fsid(), osdmap->get_epoch(), had_for); + m->osd_stat = cur_stat; + + Mutex::Locker lec{min_last_epoch_clean_lock}; + min_last_epoch_clean = osdmap->get_epoch(); + min_last_epoch_clean_pgs.clear(); + RWLock::RLocker lpg(pg_map_lock); + for (const auto &i : pg_map) { + PG *pg = i.second; + if (!pg->is_primary()) { + continue; + } + + pg->pg_stats_publish_lock.Lock(); + if (pg->pg_stats_publish_valid) { + m->pg_stat[pg->info.pgid.pgid] = pg->pg_stats_publish; + const auto lec = pg->pg_stats_publish.get_effective_last_epoch_clean(); + min_last_epoch_clean = min(min_last_epoch_clean, lec); + min_last_epoch_clean_pgs.push_back(pg->info.pgid.pgid); + } + pg->pg_stats_publish_lock.Unlock(); + } + + return m; + }); + + mgrc.init(); + client_messenger->add_dispatcher_head(&mgrc); + + // tell monc about log_client so it will know about mon session resets + monc->set_log_client(&log_client); + update_log_config(); + + peering_tp.start(); + osd_op_tp.start(); + disk_tp.start(); + command_tp.start(); + + set_disk_tp_priority(); + + // start the heartbeat + heartbeat_thread.create("osd_srv_heartbt"); + + // tick + tick_timer.add_event_after(cct->_conf->osd_heartbeat_interval, new C_Tick(this)); + { + Mutex::Locker l(tick_timer_lock); + tick_timer_without_osd_lock.add_event_after(cct->_conf->osd_heartbeat_interval, new C_Tick_WithoutOSDLock(this)); + } + + service.init(); + service.publish_map(osdmap); + service.publish_superblock(superblock); + service.max_oldest_map = superblock.oldest_map; + + osd_lock.Unlock(); + + r = monc->authenticate(); + if (r < 0) { + derr << __func__ << " authentication failed: " << cpp_strerror(r) + << dendl; + osd_lock.Lock(); // locker is going to unlock this on function exit + if (is_stopping()) + r = 0; + goto monout; + } + + while (monc->wait_auth_rotating(30.0) < 0) { + derr << "unable to obtain rotating service keys; retrying" << dendl; + ++rotating_auth_attempts; + if (rotating_auth_attempts > g_conf->max_rotating_auth_attempts) { + derr << __func__ << " wait_auth_rotating timed out" << dendl; + osd_lock.Lock(); // make locker happy + if (!is_stopping()) { + r = -ETIMEDOUT; + } + goto monout; + } + } + + r = update_crush_device_class(); + if (r < 0) { + derr << __func__ << " unable to update_crush_device_class: " + << cpp_strerror(r) << dendl; + osd_lock.Lock(); + goto monout; + } + + r = update_crush_location(); + if (r < 0) { + derr << __func__ << " unable to update_crush_location: " + << cpp_strerror(r) << dendl; + osd_lock.Lock(); + goto monout; + } + + osd_lock.Lock(); + if (is_stopping()) + return 0; + + // start objecter *after* we have authenticated, so that we don't ignore + // the OSDMaps it requests. + service.final_init(); + + check_config(); + + dout(10) << "ensuring pgs have consumed prior maps" << dendl; + consume_map(); + peering_wq.drain(); + + dout(0) << "done with init, starting boot process" << dendl; + + // subscribe to any pg creations + monc->sub_want("osd_pg_creates", last_pg_create_epoch, 0); + + // MgrClient needs this (it doesn't have MonClient reference itself) + monc->sub_want("mgrmap", 0, 0); + + // we don't need to ask for an osdmap here; objecter will + //monc->sub_want("osdmap", osdmap->get_epoch(), CEPH_SUBSCRIBE_ONETIME); + + monc->renew_subs(); + + start_boot(); + + return 0; +monout: + exit(1); + +out: + enable_disable_fuse(true); + store->umount(); + delete store; + store = NULL; + return r; +} + +void OSD::final_init() +{ + AdminSocket *admin_socket = cct->get_admin_socket(); + asok_hook = new OSDSocketHook(this); + int r = admin_socket->register_command("status", "status", asok_hook, + "high-level status of OSD"); + assert(r == 0); + r = admin_socket->register_command("flush_journal", "flush_journal", + asok_hook, + "flush the journal to permanent store"); + assert(r == 0); + r = admin_socket->register_command("dump_ops_in_flight", + "dump_ops_in_flight " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the ops currently in flight"); + assert(r == 0); + r = admin_socket->register_command("ops", + "ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the ops currently in flight"); + assert(r == 0); + r = admin_socket->register_command("dump_blocked_ops", + "dump_blocked_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the blocked ops currently in flight"); + assert(r == 0); + r = admin_socket->register_command("dump_historic_ops", + "dump_historic_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show recent ops"); + assert(r == 0); + r = admin_socket->register_command("dump_historic_slow_ops", + "dump_historic_slow_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show slowest recent ops"); + assert(r == 0); + r = admin_socket->register_command("dump_historic_ops_by_duration", + "dump_historic_ops_by_duration " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show slowest recent ops, sorted by duration"); + assert(r == 0); + r = admin_socket->register_command("dump_op_pq_state", "dump_op_pq_state", + asok_hook, + "dump op priority queue state"); + assert(r == 0); + r = admin_socket->register_command("dump_blacklist", "dump_blacklist", + asok_hook, + "dump blacklisted clients and times"); + assert(r == 0); + r = admin_socket->register_command("dump_watchers", "dump_watchers", + asok_hook, + "show clients which have active watches," + " and on which objects"); + assert(r == 0); + r = admin_socket->register_command("dump_reservations", "dump_reservations", + asok_hook, + "show recovery reservations"); + assert(r == 0); + r = admin_socket->register_command("get_latest_osdmap", "get_latest_osdmap", + asok_hook, + "force osd to update the latest map from " + "the mon"); + assert(r == 0); + + r = admin_socket->register_command( "heap", + "heap " \ + "name=heapcmd,type=CephString", + asok_hook, + "show heap usage info (available only if " + "compiled with tcmalloc)"); + assert(r == 0); + + r = admin_socket->register_command("set_heap_property", + "set_heap_property " \ + "name=property,type=CephString " \ + "name=value,type=CephInt", + asok_hook, + "update malloc extension heap property"); + assert(r == 0); + + r = admin_socket->register_command("get_heap_property", + "get_heap_property " \ + "name=property,type=CephString", + asok_hook, + "get malloc extension heap property"); + assert(r == 0); + + r = admin_socket->register_command("dump_objectstore_kv_stats", + "dump_objectstore_kv_stats", + asok_hook, + "print statistics of kvdb which used by bluestore"); + assert(r == 0); + + r = admin_socket->register_command("dump_scrubs", + "dump_scrubs", + asok_hook, + "print scheduled scrubs"); + assert(r == 0); + + r = admin_socket->register_command("calc_objectstore_db_histogram", + "calc_objectstore_db_histogram", + asok_hook, + "Generate key value histogram of kvdb(rocksdb) which used by bluestore"); + assert(r == 0); + + r = admin_socket->register_command("flush_store_cache", + "flush_store_cache", + asok_hook, + "Flush bluestore internal cache"); + assert(r == 0); + r = admin_socket->register_command("dump_pgstate_history", "dump_pgstate_history", + asok_hook, + "show recent state history"); + assert(r == 0); + + r = admin_socket->register_command("compact", "compact", + asok_hook, + "Commpact object store's omap." + " WARNING: Compaction probably slows your requests"); + assert(r == 0); + + test_ops_hook = new TestOpsSocketHook(&(this->service), this->store); + // Note: pools are CephString instead of CephPoolname because + // these commands traditionally support both pool names and numbers + r = admin_socket->register_command( + "setomapval", + "setomapval " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=key,type=CephString "\ + "name=val,type=CephString", + test_ops_hook, + "set omap key"); + assert(r == 0); + r = admin_socket->register_command( + "rmomapkey", + "rmomapkey " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=key,type=CephString", + test_ops_hook, + "remove omap key"); + assert(r == 0); + r = admin_socket->register_command( + "setomapheader", + "setomapheader " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=header,type=CephString", + test_ops_hook, + "set omap header"); + assert(r == 0); + + r = admin_socket->register_command( + "getomap", + "getomap " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname", + test_ops_hook, + "output entire object map"); + assert(r == 0); + + r = admin_socket->register_command( + "truncobj", + "truncobj " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=len,type=CephInt", + test_ops_hook, + "truncate object to length"); + assert(r == 0); + + r = admin_socket->register_command( + "injectdataerr", + "injectdataerr " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=shardid,type=CephInt,req=false,range=0|255", + test_ops_hook, + "inject data error to an object"); + assert(r == 0); + + r = admin_socket->register_command( + "injectmdataerr", + "injectmdataerr " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=shardid,type=CephInt,req=false,range=0|255", + test_ops_hook, + "inject metadata error to an object"); + assert(r == 0); + r = admin_socket->register_command( + "set_recovery_delay", + "set_recovery_delay " \ + "name=utime,type=CephInt,req=false", + test_ops_hook, + "Delay osd recovery by specified seconds"); + assert(r == 0); + r = admin_socket->register_command( + "trigger_scrub", + "trigger_scrub " \ + "name=pgid,type=CephString ", + test_ops_hook, + "Trigger a scheduled scrub "); + assert(r == 0); + r = admin_socket->register_command( + "injectfull", + "injectfull " \ + "name=type,type=CephString,req=false " \ + "name=count,type=CephInt,req=false ", + test_ops_hook, + "Inject a full disk (optional count times)"); + assert(r == 0); +} + +void OSD::create_logger() +{ + dout(10) << "create_logger" << dendl; + + PerfCountersBuilder osd_plb(cct, "osd", l_osd_first, l_osd_last); + + // Latency axis configuration for op histograms, values are in nanoseconds + PerfHistogramCommon::axis_config_d op_hist_x_axis_config{ + "Latency (usec)", + PerfHistogramCommon::SCALE_LOG2, ///< Latency in logarithmic scale + 0, ///< Start at 0 + 100000, ///< Quantization unit is 100usec + 32, ///< Enough to cover much longer than slow requests + }; + + // Op size axis configuration for op histograms, values are in bytes + PerfHistogramCommon::axis_config_d op_hist_y_axis_config{ + "Request size (bytes)", + PerfHistogramCommon::SCALE_LOG2, ///< Request size in logarithmic scale + 0, ///< Start at 0 + 512, ///< Quantization unit is 512 bytes + 32, ///< Enough to cover requests larger than GB + }; + + + // All the basic OSD operation stats are to be considered useful + osd_plb.set_prio_default(PerfCountersBuilder::PRIO_USEFUL); + + osd_plb.add_u64( + l_osd_op_wip, "op_wip", + "Replication operations currently being processed (primary)"); + osd_plb.add_u64_counter( + l_osd_op, "op", + "Client operations", + "ops", PerfCountersBuilder::PRIO_CRITICAL); + osd_plb.add_u64_counter( + l_osd_op_inb, "op_in_bytes", + "Client operations total write size", + "wr", PerfCountersBuilder::PRIO_INTERESTING); + osd_plb.add_u64_counter( + l_osd_op_outb, "op_out_bytes", + "Client operations total read size", + "rd", PerfCountersBuilder::PRIO_INTERESTING); + osd_plb.add_time_avg( + l_osd_op_lat, "op_latency", + "Latency of client operations (including queue time)", + "l", 9); + osd_plb.add_time_avg( + l_osd_op_process_lat, "op_process_latency", + "Latency of client operations (excluding queue time)"); + osd_plb.add_time_avg( + l_osd_op_prepare_lat, "op_prepare_latency", + "Latency of client operations (excluding queue time and wait for finished)"); + + osd_plb.add_u64_counter( + l_osd_op_r, "op_r", "Client read operations"); + osd_plb.add_u64_counter( + l_osd_op_r_outb, "op_r_out_bytes", "Client data read"); + osd_plb.add_time_avg( + l_osd_op_r_lat, "op_r_latency", + "Latency of read operation (including queue time)"); + osd_plb.add_u64_counter_histogram( + l_osd_op_r_lat_outb_hist, "op_r_latency_out_bytes_histogram", + op_hist_x_axis_config, op_hist_y_axis_config, + "Histogram of operation latency (including queue time) + data read"); + osd_plb.add_time_avg( + l_osd_op_r_process_lat, "op_r_process_latency", + "Latency of read operation (excluding queue time)"); + osd_plb.add_time_avg( + l_osd_op_r_prepare_lat, "op_r_prepare_latency", + "Latency of read operations (excluding queue time and wait for finished)"); + osd_plb.add_u64_counter( + l_osd_op_w, "op_w", "Client write operations"); + osd_plb.add_u64_counter( + l_osd_op_w_inb, "op_w_in_bytes", "Client data written"); + osd_plb.add_time_avg( + l_osd_op_w_lat, "op_w_latency", + "Latency of write operation (including queue time)"); + osd_plb.add_u64_counter_histogram( + l_osd_op_w_lat_inb_hist, "op_w_latency_in_bytes_histogram", + op_hist_x_axis_config, op_hist_y_axis_config, + "Histogram of operation latency (including queue time) + data written"); + osd_plb.add_time_avg( + l_osd_op_w_process_lat, "op_w_process_latency", + "Latency of write operation (excluding queue time)"); + osd_plb.add_time_avg( + l_osd_op_w_prepare_lat, "op_w_prepare_latency", + "Latency of write operations (excluding queue time and wait for finished)"); + osd_plb.add_u64_counter( + l_osd_op_rw, "op_rw", + "Client read-modify-write operations"); + osd_plb.add_u64_counter( + l_osd_op_rw_inb, "op_rw_in_bytes", + "Client read-modify-write operations write in"); + osd_plb.add_u64_counter( + l_osd_op_rw_outb,"op_rw_out_bytes", + "Client read-modify-write operations read out "); + osd_plb.add_time_avg( + l_osd_op_rw_lat, "op_rw_latency", + "Latency of read-modify-write operation (including queue time)"); + osd_plb.add_u64_counter_histogram( + l_osd_op_rw_lat_inb_hist, "op_rw_latency_in_bytes_histogram", + op_hist_x_axis_config, op_hist_y_axis_config, + "Histogram of rw operation latency (including queue time) + data written"); + osd_plb.add_u64_counter_histogram( + l_osd_op_rw_lat_outb_hist, "op_rw_latency_out_bytes_histogram", + op_hist_x_axis_config, op_hist_y_axis_config, + "Histogram of rw operation latency (including queue time) + data read"); + osd_plb.add_time_avg( + l_osd_op_rw_process_lat, "op_rw_process_latency", + "Latency of read-modify-write operation (excluding queue time)"); + osd_plb.add_time_avg( + l_osd_op_rw_prepare_lat, "op_rw_prepare_latency", + "Latency of read-modify-write operations (excluding queue time and wait for finished)"); + + // Now we move on to some more obscure stats, revert to assuming things + // are low priority unless otherwise specified. + osd_plb.set_prio_default(PerfCountersBuilder::PRIO_DEBUGONLY); + + osd_plb.add_time_avg(l_osd_op_before_queue_op_lat, "op_before_queue_op_lat", + "Latency of IO before calling queue(before really queue into ShardedOpWq)"); // client io before queue op_wq latency + osd_plb.add_time_avg(l_osd_op_before_dequeue_op_lat, "op_before_dequeue_op_lat", + "Latency of IO before calling dequeue_op(already dequeued and get PG lock)"); // client io before dequeue_op latency + + osd_plb.add_u64_counter( + l_osd_sop, "subop", "Suboperations"); + osd_plb.add_u64_counter( + l_osd_sop_inb, "subop_in_bytes", "Suboperations total size"); + osd_plb.add_time_avg(l_osd_sop_lat, "subop_latency", "Suboperations latency"); + + osd_plb.add_u64_counter(l_osd_sop_w, "subop_w", "Replicated writes"); + osd_plb.add_u64_counter( + l_osd_sop_w_inb, "subop_w_in_bytes", "Replicated written data size"); + osd_plb.add_time_avg( + l_osd_sop_w_lat, "subop_w_latency", "Replicated writes latency"); + osd_plb.add_u64_counter( + l_osd_sop_pull, "subop_pull", "Suboperations pull requests"); + osd_plb.add_time_avg( + l_osd_sop_pull_lat, "subop_pull_latency", "Suboperations pull latency"); + osd_plb.add_u64_counter( + l_osd_sop_push, "subop_push", "Suboperations push messages"); + osd_plb.add_u64_counter( + l_osd_sop_push_inb, "subop_push_in_bytes", "Suboperations pushed size"); + osd_plb.add_time_avg( + l_osd_sop_push_lat, "subop_push_latency", "Suboperations push latency"); + + osd_plb.add_u64_counter(l_osd_pull, "pull", "Pull requests sent"); + osd_plb.add_u64_counter(l_osd_push, "push", "Push messages sent"); + osd_plb.add_u64_counter(l_osd_push_outb, "push_out_bytes", "Pushed size"); + + osd_plb.add_u64_counter( + l_osd_rop, "recovery_ops", + "Started recovery operations", + "rop", PerfCountersBuilder::PRIO_INTERESTING); + + osd_plb.add_u64(l_osd_loadavg, "loadavg", "CPU load"); + osd_plb.add_u64(l_osd_buf, "buffer_bytes", "Total allocated buffer size"); + osd_plb.add_u64(l_osd_history_alloc_bytes, "history_alloc_Mbytes"); + osd_plb.add_u64(l_osd_history_alloc_num, "history_alloc_num"); + osd_plb.add_u64( + l_osd_cached_crc, "cached_crc", "Total number getting crc from crc_cache"); + osd_plb.add_u64( + l_osd_cached_crc_adjusted, "cached_crc_adjusted", + "Total number getting crc from crc_cache with adjusting"); + osd_plb.add_u64(l_osd_missed_crc, "missed_crc", + "Total number of crc cache misses"); + + osd_plb.add_u64(l_osd_pg, "numpg", "Placement groups", + "pgs", PerfCountersBuilder::PRIO_USEFUL); + osd_plb.add_u64( + l_osd_pg_primary, "numpg_primary", + "Placement groups for which this osd is primary"); + osd_plb.add_u64( + l_osd_pg_replica, "numpg_replica", + "Placement groups for which this osd is replica"); + osd_plb.add_u64( + l_osd_pg_stray, "numpg_stray", + "Placement groups ready to be deleted from this osd"); + osd_plb.add_u64( + l_osd_hb_to, "heartbeat_to_peers", "Heartbeat (ping) peers we send to"); + osd_plb.add_u64_counter(l_osd_map, "map_messages", "OSD map messages"); + osd_plb.add_u64_counter(l_osd_mape, "map_message_epochs", "OSD map epochs"); + osd_plb.add_u64_counter( + l_osd_mape_dup, "map_message_epoch_dups", "OSD map duplicates"); + osd_plb.add_u64_counter( + l_osd_waiting_for_map, "messages_delayed_for_map", + "Operations waiting for OSD map"); + + osd_plb.add_u64_counter( + l_osd_map_cache_hit, "osd_map_cache_hit", "osdmap cache hit"); + osd_plb.add_u64_counter( + l_osd_map_cache_miss, "osd_map_cache_miss", "osdmap cache miss"); + osd_plb.add_u64_counter( + l_osd_map_cache_miss_low, "osd_map_cache_miss_low", + "osdmap cache miss below cache lower bound"); + osd_plb.add_u64_avg( + l_osd_map_cache_miss_low_avg, "osd_map_cache_miss_low_avg", + "osdmap cache miss, avg distance below cache lower bound"); + osd_plb.add_u64_counter( + l_osd_map_bl_cache_hit, "osd_map_bl_cache_hit", + "OSDMap buffer cache hits"); + osd_plb.add_u64_counter( + l_osd_map_bl_cache_miss, "osd_map_bl_cache_miss", + "OSDMap buffer cache misses"); + + osd_plb.add_u64( + l_osd_stat_bytes, "stat_bytes", "OSD size", "size", + PerfCountersBuilder::PRIO_USEFUL); + osd_plb.add_u64( + l_osd_stat_bytes_used, "stat_bytes_used", "Used space", "used", + PerfCountersBuilder::PRIO_USEFUL); + osd_plb.add_u64(l_osd_stat_bytes_avail, "stat_bytes_avail", "Available space"); + + osd_plb.add_u64_counter( + l_osd_copyfrom, "copyfrom", "Rados \"copy-from\" operations"); + + osd_plb.add_u64_counter(l_osd_tier_promote, "tier_promote", "Tier promotions"); + osd_plb.add_u64_counter(l_osd_tier_flush, "tier_flush", "Tier flushes"); + osd_plb.add_u64_counter( + l_osd_tier_flush_fail, "tier_flush_fail", "Failed tier flushes"); + osd_plb.add_u64_counter( + l_osd_tier_try_flush, "tier_try_flush", "Tier flush attempts"); + osd_plb.add_u64_counter( + l_osd_tier_try_flush_fail, "tier_try_flush_fail", + "Failed tier flush attempts"); + osd_plb.add_u64_counter( + l_osd_tier_evict, "tier_evict", "Tier evictions"); + osd_plb.add_u64_counter( + l_osd_tier_whiteout, "tier_whiteout", "Tier whiteouts"); + osd_plb.add_u64_counter( + l_osd_tier_dirty, "tier_dirty", "Dirty tier flag set"); + osd_plb.add_u64_counter( + l_osd_tier_clean, "tier_clean", "Dirty tier flag cleaned"); + osd_plb.add_u64_counter( + l_osd_tier_delay, "tier_delay", "Tier delays (agent waiting)"); + osd_plb.add_u64_counter( + l_osd_tier_proxy_read, "tier_proxy_read", "Tier proxy reads"); + osd_plb.add_u64_counter( + l_osd_tier_proxy_write, "tier_proxy_write", "Tier proxy writes"); + + osd_plb.add_u64_counter( + l_osd_agent_wake, "agent_wake", "Tiering agent wake up"); + osd_plb.add_u64_counter( + l_osd_agent_skip, "agent_skip", "Objects skipped by agent"); + osd_plb.add_u64_counter( + l_osd_agent_flush, "agent_flush", "Tiering agent flushes"); + osd_plb.add_u64_counter( + l_osd_agent_evict, "agent_evict", "Tiering agent evictions"); + + osd_plb.add_u64_counter( + l_osd_object_ctx_cache_hit, "object_ctx_cache_hit", "Object context cache hits"); + osd_plb.add_u64_counter( + l_osd_object_ctx_cache_total, "object_ctx_cache_total", "Object context cache lookups"); + + osd_plb.add_u64_counter(l_osd_op_cache_hit, "op_cache_hit"); + osd_plb.add_time_avg( + l_osd_tier_flush_lat, "osd_tier_flush_lat", "Object flush latency"); + osd_plb.add_time_avg( + l_osd_tier_promote_lat, "osd_tier_promote_lat", "Object promote latency"); + osd_plb.add_time_avg( + l_osd_tier_r_lat, "osd_tier_r_lat", "Object proxy read latency"); + + osd_plb.add_u64_counter( + l_osd_pg_info, "osd_pg_info", "PG updated its info (using any method)"); + osd_plb.add_u64_counter( + l_osd_pg_fastinfo, "osd_pg_fastinfo", + "PG updated its info using fastinfo attr"); + osd_plb.add_u64_counter( + l_osd_pg_biginfo, "osd_pg_biginfo", "PG updated its biginfo attr"); + + logger = osd_plb.create_perf_counters(); + cct->get_perfcounters_collection()->add(logger); +} + +void OSD::create_recoverystate_perf() +{ + dout(10) << "create_recoverystate_perf" << dendl; + + PerfCountersBuilder rs_perf(cct, "recoverystate_perf", rs_first, rs_last); + + rs_perf.add_time_avg(rs_initial_latency, "initial_latency", "Initial recovery state latency"); + rs_perf.add_time_avg(rs_started_latency, "started_latency", "Started recovery state latency"); + rs_perf.add_time_avg(rs_reset_latency, "reset_latency", "Reset recovery state latency"); + rs_perf.add_time_avg(rs_start_latency, "start_latency", "Start recovery state latency"); + rs_perf.add_time_avg(rs_primary_latency, "primary_latency", "Primary recovery state latency"); + rs_perf.add_time_avg(rs_peering_latency, "peering_latency", "Peering recovery state latency"); + rs_perf.add_time_avg(rs_backfilling_latency, "backfilling_latency", "Backfilling recovery state latency"); + rs_perf.add_time_avg(rs_waitremotebackfillreserved_latency, "waitremotebackfillreserved_latency", "Wait remote backfill reserved recovery state latency"); + rs_perf.add_time_avg(rs_waitlocalbackfillreserved_latency, "waitlocalbackfillreserved_latency", "Wait local backfill reserved recovery state latency"); + rs_perf.add_time_avg(rs_notbackfilling_latency, "notbackfilling_latency", "Notbackfilling recovery state latency"); + rs_perf.add_time_avg(rs_repnotrecovering_latency, "repnotrecovering_latency", "Repnotrecovering recovery state latency"); + rs_perf.add_time_avg(rs_repwaitrecoveryreserved_latency, "repwaitrecoveryreserved_latency", "Rep wait recovery reserved recovery state latency"); + rs_perf.add_time_avg(rs_repwaitbackfillreserved_latency, "repwaitbackfillreserved_latency", "Rep wait backfill reserved recovery state latency"); + rs_perf.add_time_avg(rs_reprecovering_latency, "reprecovering_latency", "RepRecovering recovery state latency"); + rs_perf.add_time_avg(rs_activating_latency, "activating_latency", "Activating recovery state latency"); + rs_perf.add_time_avg(rs_waitlocalrecoveryreserved_latency, "waitlocalrecoveryreserved_latency", "Wait local recovery reserved recovery state latency"); + rs_perf.add_time_avg(rs_waitremoterecoveryreserved_latency, "waitremoterecoveryreserved_latency", "Wait remote recovery reserved recovery state latency"); + rs_perf.add_time_avg(rs_recovering_latency, "recovering_latency", "Recovering recovery state latency"); + rs_perf.add_time_avg(rs_recovered_latency, "recovered_latency", "Recovered recovery state latency"); + rs_perf.add_time_avg(rs_clean_latency, "clean_latency", "Clean recovery state latency"); + rs_perf.add_time_avg(rs_active_latency, "active_latency", "Active recovery state latency"); + rs_perf.add_time_avg(rs_replicaactive_latency, "replicaactive_latency", "Replicaactive recovery state latency"); + rs_perf.add_time_avg(rs_stray_latency, "stray_latency", "Stray recovery state latency"); + rs_perf.add_time_avg(rs_getinfo_latency, "getinfo_latency", "Getinfo recovery state latency"); + rs_perf.add_time_avg(rs_getlog_latency, "getlog_latency", "Getlog recovery state latency"); + rs_perf.add_time_avg(rs_waitactingchange_latency, "waitactingchange_latency", "Waitactingchange recovery state latency"); + rs_perf.add_time_avg(rs_incomplete_latency, "incomplete_latency", "Incomplete recovery state latency"); + rs_perf.add_time_avg(rs_down_latency, "down_latency", "Down recovery state latency"); + rs_perf.add_time_avg(rs_getmissing_latency, "getmissing_latency", "Getmissing recovery state latency"); + rs_perf.add_time_avg(rs_waitupthru_latency, "waitupthru_latency", "Waitupthru recovery state latency"); + rs_perf.add_time_avg(rs_notrecovering_latency, "notrecovering_latency", "Notrecovering recovery state latency"); + + recoverystate_perf = rs_perf.create_perf_counters(); + cct->get_perfcounters_collection()->add(recoverystate_perf); +} + +int OSD::shutdown() +{ + if (!service.prepare_to_stop()) + return 0; // already shutting down + osd_lock.Lock(); + if (is_stopping()) { + osd_lock.Unlock(); + return 0; + } + derr << "shutdown" << dendl; + + set_state(STATE_STOPPING); + + // Debugging + if (cct->_conf->get_val("osd_debug_shutdown")) { + cct->_conf->set_val("debug_osd", "100"); + cct->_conf->set_val("debug_journal", "100"); + cct->_conf->set_val("debug_filestore", "100"); + cct->_conf->set_val("debug_bluestore", "100"); + cct->_conf->set_val("debug_ms", "100"); + cct->_conf->apply_changes(NULL); + } + + // stop MgrClient earlier as it's more like an internal consumer of OSD + mgrc.shutdown(); + + service.start_shutdown(); + + // stop sending work to pgs. this just prevents any new work in _process + // from racing with on_shutdown and potentially entering the pg after. + op_shardedwq.drain(); + + // Shutdown PGs + { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator p = pg_map.begin(); + p != pg_map.end(); + ++p) { + dout(20) << " kicking pg " << p->first << dendl; + p->second->lock(); + p->second->on_shutdown(); + p->second->unlock(); + p->second->osr->flush(); + } + } + clear_pg_stat_queue(); + + // drain op queue again (in case PGs requeued something) + op_shardedwq.drain(); + { + finished.clear(); // zap waiters (bleh, this is messy) + } + + op_shardedwq.clear_pg_slots(); + + // unregister commands + cct->get_admin_socket()->unregister_command("status"); + cct->get_admin_socket()->unregister_command("flush_journal"); + cct->get_admin_socket()->unregister_command("dump_ops_in_flight"); + cct->get_admin_socket()->unregister_command("ops"); + cct->get_admin_socket()->unregister_command("dump_blocked_ops"); + cct->get_admin_socket()->unregister_command("dump_historic_ops"); + cct->get_admin_socket()->unregister_command("dump_historic_ops_by_duration"); + cct->get_admin_socket()->unregister_command("dump_historic_slow_ops"); + cct->get_admin_socket()->unregister_command("dump_op_pq_state"); + cct->get_admin_socket()->unregister_command("dump_blacklist"); + cct->get_admin_socket()->unregister_command("dump_watchers"); + cct->get_admin_socket()->unregister_command("dump_reservations"); + cct->get_admin_socket()->unregister_command("get_latest_osdmap"); + cct->get_admin_socket()->unregister_command("heap"); + cct->get_admin_socket()->unregister_command("set_heap_property"); + cct->get_admin_socket()->unregister_command("get_heap_property"); + cct->get_admin_socket()->unregister_command("dump_objectstore_kv_stats"); + cct->get_admin_socket()->unregister_command("dump_scrubs"); + cct->get_admin_socket()->unregister_command("calc_objectstore_db_histogram"); + cct->get_admin_socket()->unregister_command("flush_store_cache"); + cct->get_admin_socket()->unregister_command("dump_pgstate_history"); + cct->get_admin_socket()->unregister_command("compact"); + delete asok_hook; + asok_hook = NULL; + + cct->get_admin_socket()->unregister_command("setomapval"); + cct->get_admin_socket()->unregister_command("rmomapkey"); + cct->get_admin_socket()->unregister_command("setomapheader"); + cct->get_admin_socket()->unregister_command("getomap"); + cct->get_admin_socket()->unregister_command("truncobj"); + cct->get_admin_socket()->unregister_command("injectdataerr"); + cct->get_admin_socket()->unregister_command("injectmdataerr"); + cct->get_admin_socket()->unregister_command("set_recovery_delay"); + cct->get_admin_socket()->unregister_command("trigger_scrub"); + cct->get_admin_socket()->unregister_command("injectfull"); + delete test_ops_hook; + test_ops_hook = NULL; + + osd_lock.Unlock(); + + heartbeat_lock.Lock(); + heartbeat_stop = true; + heartbeat_cond.Signal(); + heartbeat_lock.Unlock(); + heartbeat_thread.join(); + + peering_tp.drain(); + peering_wq.clear(); + peering_tp.stop(); + dout(10) << "osd tp stopped" << dendl; + + osd_op_tp.drain(); + osd_op_tp.stop(); + dout(10) << "op sharded tp stopped" << dendl; + + command_tp.drain(); + command_tp.stop(); + dout(10) << "command tp stopped" << dendl; + + disk_tp.drain(); + disk_tp.stop(); + dout(10) << "disk tp paused (new)" << dendl; + + dout(10) << "stopping agent" << dendl; + service.agent_stop(); + + osd_lock.Lock(); + + reset_heartbeat_peers(); + + tick_timer.shutdown(); + + { + Mutex::Locker l(tick_timer_lock); + tick_timer_without_osd_lock.shutdown(); + } + + // note unmount epoch + dout(10) << "noting clean unmount in epoch " << osdmap->get_epoch() << dendl; + superblock.mounted = service.get_boot_epoch(); + superblock.clean_thru = osdmap->get_epoch(); + ObjectStore::Transaction t; + write_superblock(t); + int r = store->apply_transaction(service.meta_osr.get(), std::move(t)); + if (r) { + derr << "OSD::shutdown: error writing superblock: " + << cpp_strerror(r) << dendl; + } + + + { + Mutex::Locker l(pg_stat_queue_lock); + assert(pg_stat_queue.empty()); + } + + service.shutdown_reserver(); + + // Remove PGs +#ifdef PG_DEBUG_REFS + service.dump_live_pgids(); +#endif + { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator p = pg_map.begin(); + p != pg_map.end(); + ++p) { + dout(20) << " kicking pg " << p->first << dendl; + p->second->lock(); + if (p->second->ref != 1) { + derr << "pgid " << p->first << " has ref count of " + << p->second->ref << dendl; +#ifdef PG_DEBUG_REFS + p->second->dump_live_ids(); +#endif + if (cct->_conf->osd_shutdown_pgref_assert) { + ceph_abort(); + } + } + p->second->unlock(); + p->second->put("PGMap"); + } + pg_map.clear(); + } +#ifdef PG_DEBUG_REFS + service.dump_live_pgids(); +#endif + cct->_conf->remove_observer(this); + + dout(10) << "syncing store" << dendl; + enable_disable_fuse(true); + + if (cct->_conf->osd_journal_flush_on_shutdown) { + dout(10) << "flushing journal" << dendl; + store->flush_journal(); + } + + store->umount(); + delete store; + store = 0; + dout(10) << "Store synced" << dendl; + + monc->shutdown(); + osd_lock.Unlock(); + + osdmap = OSDMapRef(); + service.shutdown(); + op_tracker.on_shutdown(); + + class_handler->shutdown(); + client_messenger->shutdown(); + cluster_messenger->shutdown(); + hb_front_client_messenger->shutdown(); + hb_back_client_messenger->shutdown(); + objecter_messenger->shutdown(); + hb_front_server_messenger->shutdown(); + hb_back_server_messenger->shutdown(); + + peering_wq.clear(); + + return r; +} + +int OSD::mon_cmd_maybe_osd_create(string &cmd) +{ + bool created = false; + while (true) { + dout(10) << __func__ << " cmd: " << cmd << dendl; + vector vcmd{cmd}; + bufferlist inbl; + C_SaferCond w; + string outs; + monc->start_mon_command(vcmd, inbl, NULL, &outs, &w); + int r = w.wait(); + if (r < 0) { + if (r == -ENOENT && !created) { + string newcmd = "{\"prefix\": \"osd create\", \"id\": " + stringify(whoami) + + ", \"uuid\": \"" + stringify(superblock.osd_fsid) + "\"}"; + vector vnewcmd{newcmd}; + bufferlist inbl; + C_SaferCond w; + string outs; + monc->start_mon_command(vnewcmd, inbl, NULL, &outs, &w); + int r = w.wait(); + if (r < 0) { + derr << __func__ << " fail: osd does not exist and created failed: " + << cpp_strerror(r) << dendl; + return r; + } + created = true; + continue; + } + derr << __func__ << " fail: '" << outs << "': " << cpp_strerror(r) << dendl; + return r; + } + break; + } + + return 0; +} + +int OSD::update_crush_location() +{ + if (!cct->_conf->osd_crush_update_on_start) { + dout(10) << __func__ << " osd_crush_update_on_start = false" << dendl; + return 0; + } + + char weight[32]; + if (cct->_conf->osd_crush_initial_weight >= 0) { + snprintf(weight, sizeof(weight), "%.4lf", cct->_conf->osd_crush_initial_weight); + } else { + struct store_statfs_t st; + int r = store->statfs(&st); + if (r < 0) { + derr << "statfs: " << cpp_strerror(r) << dendl; + return r; + } + snprintf(weight, sizeof(weight), "%.4lf", + MAX((double).00001, + (double)(st.total) / + (double)(1ull << 40 /* TB */))); + } + + std::multimap loc = cct->crush_location.get_location(); + dout(10) << __func__ << " crush location is " << loc << dendl; + + string cmd = + string("{\"prefix\": \"osd crush create-or-move\", ") + + string("\"id\": ") + stringify(whoami) + string(", ") + + string("\"weight\":") + weight + string(", ") + + string("\"args\": ["); + for (multimap::iterator p = loc.begin(); p != loc.end(); ++p) { + if (p != loc.begin()) + cmd += ", "; + cmd += "\"" + p->first + "=" + p->second + "\""; + } + cmd += "]}"; + + return mon_cmd_maybe_osd_create(cmd); +} + +int OSD::update_crush_device_class() +{ + if (!cct->_conf->osd_class_update_on_start) { + dout(10) << __func__ << " osd_class_update_on_start = false" << dendl; + return 0; + } + + string device_class; + int r = store->read_meta("crush_device_class", &device_class); + if (r < 0 || device_class.empty()) { + device_class = store->get_default_device_class(); + } + + if (device_class.empty()) { + dout(20) << __func__ << " no device class stored locally" << dendl; + return 0; + } + + string cmd = + string("{\"prefix\": \"osd crush set-device-class\", ") + + string("\"class\": \"") + device_class + string("\", ") + + string("\"ids\": [\"") + stringify(whoami) + string("\"]}"); + + r = mon_cmd_maybe_osd_create(cmd); + // the above cmd can fail for various reasons, e.g.: + // (1) we are connecting to a pre-luminous monitor + // (2) user manually specify a class other than + // 'ceph-disk prepare --crush-device-class' + // simply skip result-checking for now + return 0; +} + +void OSD::write_superblock(ObjectStore::Transaction& t) +{ + dout(10) << "write_superblock " << superblock << dendl; + + //hack: at minimum it's using the baseline feature set + if (!superblock.compat_features.incompat.contains(CEPH_OSD_FEATURE_INCOMPAT_BASE)) + superblock.compat_features.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BASE); + + bufferlist bl; + ::encode(superblock, bl); + t.write(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, bl.length(), bl); +} + +int OSD::read_superblock() +{ + bufferlist bl; + int r = store->read(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, 0, bl); + if (r < 0) + return r; + + bufferlist::iterator p = bl.begin(); + ::decode(superblock, p); + + dout(10) << "read_superblock " << superblock << dendl; + + return 0; +} + +void OSD::clear_temp_objects() +{ + dout(10) << __func__ << dendl; + vector ls; + store->list_collections(ls); + for (vector::iterator p = ls.begin(); p != ls.end(); ++p) { + spg_t pgid; + if (!p->is_pg(&pgid)) + continue; + + // list temp objects + dout(20) << " clearing temps in " << *p << " pgid " << pgid << dendl; + + vector temps; + ghobject_t next; + while (1) { + vector objects; + store->collection_list(*p, next, ghobject_t::get_max(), + store->get_ideal_list_max(), + &objects, &next); + if (objects.empty()) + break; + vector::iterator q; + for (q = objects.begin(); q != objects.end(); ++q) { + // Hammer set pool for temps to -1, so check for clean-up + if (q->hobj.is_temp() || (q->hobj.pool == -1)) { + temps.push_back(*q); + } else { + break; + } + } + // If we saw a non-temp object and hit the break above we can + // break out of the while loop too. + if (q != objects.end()) + break; + } + if (!temps.empty()) { + ObjectStore::Transaction t; + int removed = 0; + for (vector::iterator q = temps.begin(); q != temps.end(); ++q) { + dout(20) << " removing " << *p << " object " << *q << dendl; + t.remove(*p, *q); + if (++removed > cct->_conf->osd_target_transaction_size) { + store->apply_transaction(service.meta_osr.get(), std::move(t)); + t = ObjectStore::Transaction(); + removed = 0; + } + } + if (removed) { + store->apply_transaction(service.meta_osr.get(), std::move(t)); + } + } + } +} + +void OSD::recursive_remove_collection(CephContext* cct, + ObjectStore *store, spg_t pgid, + coll_t tmp) +{ + OSDriver driver( + store, + coll_t(), + make_snapmapper_oid()); + + ceph::shared_ptr osr (std::make_shared< + ObjectStore::Sequencer>("rm")); + ObjectStore::Transaction t; + SnapMapper mapper(cct, &driver, 0, 0, 0, pgid.shard); + + vector objects; + store->collection_list(tmp, ghobject_t(), ghobject_t::get_max(), + INT_MAX, &objects, 0); + generic_dout(10) << __func__ << " " << objects << dendl; + // delete them. + int removed = 0; + for (vector::iterator p = objects.begin(); + p != objects.end(); + ++p, removed++) { + OSDriver::OSTransaction _t(driver.get_transaction(&t)); + int r = mapper.remove_oid(p->hobj, &_t); + if (r != 0 && r != -ENOENT) + ceph_abort(); + t.remove(tmp, *p); + if (removed > cct->_conf->osd_target_transaction_size) { + int r = store->apply_transaction(osr.get(), std::move(t)); + assert(r == 0); + t = ObjectStore::Transaction(); + removed = 0; + } + } + t.remove_collection(tmp); + int r = store->apply_transaction(osr.get(), std::move(t)); + assert(r == 0); + + C_SaferCond waiter; + if (!osr->flush_commit(&waiter)) { + waiter.wait(); + } +} + + +// ====================================================== +// PG's + +PGPool OSD::_get_pool(int id, OSDMapRef createmap) +{ + if (!createmap->have_pg_pool(id)) { + dout(5) << __func__ << ": the OSDmap does not contain a PG pool with id = " + << id << dendl; + ceph_abort(); + } + + PGPool p = PGPool(cct, createmap, id); + + dout(10) << "_get_pool " << p.id << dendl; + return p; +} + +PG *OSD::_open_lock_pg( + OSDMapRef createmap, + spg_t pgid, bool no_lockdep_check) +{ + assert(osd_lock.is_locked()); + + PG* pg = _make_pg(createmap, pgid); + { + RWLock::WLocker l(pg_map_lock); + pg->lock(no_lockdep_check); + pg_map[pgid] = pg; + pg->get("PGMap"); // because it's in pg_map + service.pg_add_epoch(pg->info.pgid, createmap->get_epoch()); + } + return pg; +} + +PG* OSD::_make_pg( + OSDMapRef createmap, + spg_t pgid) +{ + dout(10) << "_open_lock_pg " << pgid << dendl; + PGPool pool = _get_pool(pgid.pool(), createmap); + + // create + PG *pg; + if (createmap->get_pg_type(pgid.pgid) == pg_pool_t::TYPE_REPLICATED || + createmap->get_pg_type(pgid.pgid) == pg_pool_t::TYPE_ERASURE) + pg = new PrimaryLogPG(&service, createmap, pool, pgid); + else + ceph_abort(); + + return pg; +} + + +void OSD::add_newly_split_pg(PG *pg, PG::RecoveryCtx *rctx) +{ + epoch_t e(service.get_osdmap()->get_epoch()); + pg->get("PGMap"); // For pg_map + pg_map[pg->info.pgid] = pg; + service.pg_add_epoch(pg->info.pgid, pg->get_osdmap()->get_epoch()); + + dout(10) << "Adding newly split pg " << *pg << dendl; + pg->handle_loaded(rctx); + pg->write_if_dirty(*(rctx->transaction)); + pg->queue_null(e, e); + map >::iterator to_wake = + peering_wait_for_split.find(pg->info.pgid); + if (to_wake != peering_wait_for_split.end()) { + for (list::iterator i = + to_wake->second.begin(); + i != to_wake->second.end(); + ++i) { + pg->queue_peering_event(*i); + } + peering_wait_for_split.erase(to_wake); + } + if (!service.get_osdmap()->have_pg_pool(pg->info.pgid.pool())) + _remove_pg(pg); +} + +OSD::res_result OSD::_try_resurrect_pg( + OSDMapRef curmap, spg_t pgid, spg_t *resurrected, PGRef *old_pg_state) +{ + assert(resurrected); + assert(old_pg_state); + // find nearest ancestor + DeletingStateRef df; + spg_t cur(pgid); + while (true) { + df = service.deleting_pgs.lookup(cur); + if (df) + break; + if (!cur.ps()) + break; + cur = cur.get_parent(); + } + if (!df) + return RES_NONE; // good to go + + df->old_pg_state->lock(); + OSDMapRef create_map = df->old_pg_state->get_osdmap(); + df->old_pg_state->unlock(); + + set children; + if (cur == pgid) { + if (df->try_stop_deletion()) { + dout(10) << __func__ << ": halted deletion on pg " << pgid << dendl; + *resurrected = cur; + *old_pg_state = df->old_pg_state; + service.deleting_pgs.remove(pgid); // PG is no longer being removed! + return RES_SELF; + } else { + // raced, ensure we don't see DeletingStateRef when we try to + // delete this pg + service.deleting_pgs.remove(pgid); + return RES_NONE; + } + } else if (cur.is_split(create_map->get_pg_num(cur.pool()), + curmap->get_pg_num(cur.pool()), + &children) && + children.count(pgid)) { + if (df->try_stop_deletion()) { + dout(10) << __func__ << ": halted deletion on ancestor pg " << pgid + << dendl; + *resurrected = cur; + *old_pg_state = df->old_pg_state; + service.deleting_pgs.remove(cur); // PG is no longer being removed! + return RES_PARENT; + } else { + /* this is not a problem, failing to cancel proves that all objects + * have been removed, so no hobject_t overlap is possible + */ + return RES_NONE; + } + } + return RES_NONE; +} + +PG *OSD::_create_lock_pg( + OSDMapRef createmap, + spg_t pgid, + bool hold_map_lock, + bool backfill, + int role, + vector& up, int up_primary, + vector& acting, int acting_primary, + pg_history_t history, + const PastIntervals& pi, + ObjectStore::Transaction& t) +{ + assert(osd_lock.is_locked()); + dout(20) << "_create_lock_pg pgid " << pgid << dendl; + + PG *pg = _open_lock_pg(createmap, pgid, true); + + service.init_splits_between(pgid, pg->get_osdmap(), service.get_osdmap()); + + pg->init( + role, + up, + up_primary, + acting, + acting_primary, + history, + pi, + backfill, + &t); + + dout(7) << "_create_lock_pg " << *pg << dendl; + return pg; +} + +PG *OSD::_lookup_lock_pg(spg_t pgid) +{ + RWLock::RLocker l(pg_map_lock); + + auto pg_map_entry = pg_map.find(pgid); + if (pg_map_entry == pg_map.end()) + return nullptr; + PG *pg = pg_map_entry->second; + pg->lock(); + return pg; +} + +PG *OSD::lookup_lock_pg(spg_t pgid) +{ + return _lookup_lock_pg(pgid); +} + +PG *OSD::_lookup_lock_pg_with_map_lock_held(spg_t pgid) +{ + assert(pg_map.count(pgid)); + PG *pg = pg_map[pgid]; + pg->lock(); + return pg; +} + +void OSD::load_pgs() +{ + assert(osd_lock.is_locked()); + dout(0) << "load_pgs" << dendl; + { + RWLock::RLocker l(pg_map_lock); + assert(pg_map.empty()); + } + + vector ls; + int r = store->list_collections(ls); + if (r < 0) { + derr << "failed to list pgs: " << cpp_strerror(-r) << dendl; + } + + bool has_upgraded = false; + + for (vector::iterator it = ls.begin(); + it != ls.end(); + ++it) { + spg_t pgid; + if (it->is_temp(&pgid) || + (it->is_pg(&pgid) && PG::_has_removal_flag(store, pgid))) { + dout(10) << "load_pgs " << *it << " clearing temp" << dendl; + recursive_remove_collection(cct, store, pgid, *it); + continue; + } + + if (!it->is_pg(&pgid)) { + dout(10) << "load_pgs ignoring unrecognized " << *it << dendl; + continue; + } + + if (pgid.preferred() >= 0) { + dout(10) << __func__ << ": skipping localized PG " << pgid << dendl; + // FIXME: delete it too, eventually + continue; + } + + dout(10) << "pgid " << pgid << " coll " << coll_t(pgid) << dendl; + bufferlist bl; + epoch_t map_epoch = 0; + int r = PG::peek_map_epoch(store, pgid, &map_epoch, &bl); + if (r < 0) { + derr << __func__ << " unable to peek at " << pgid << " metadata, skipping" + << dendl; + continue; + } + + PG *pg = NULL; + if (map_epoch > 0) { + OSDMapRef pgosdmap = service.try_get_map(map_epoch); + if (!pgosdmap) { + if (!osdmap->have_pg_pool(pgid.pool())) { + derr << __func__ << ": could not find map for epoch " << map_epoch + << " on pg " << pgid << ", but the pool is not present in the " + << "current map, so this is probably a result of bug 10617. " + << "Skipping the pg for now, you can use ceph-objectstore-tool " + << "to clean it up later." << dendl; + continue; + } else { + derr << __func__ << ": have pgid " << pgid << " at epoch " + << map_epoch << ", but missing map. Crashing." + << dendl; + assert(0 == "Missing map in load_pgs"); + } + } + pg = _open_lock_pg(pgosdmap, pgid); + } else { + pg = _open_lock_pg(osdmap, pgid); + } + // there can be no waiters here, so we don't call wake_pg_waiters + + pg->ch = store->open_collection(pg->coll); + + // read pg state, log + pg->read_state(store, bl); + + if (pg->must_upgrade()) { + if (!pg->can_upgrade()) { + derr << "PG needs upgrade, but on-disk data is too old; upgrade to" + << " an older version first." << dendl; + assert(0 == "PG too old to upgrade"); + } + if (!has_upgraded) { + derr << "PGs are upgrading" << dendl; + has_upgraded = true; + } + dout(10) << "PG " << pg->info.pgid + << " must upgrade..." << dendl; + pg->upgrade(store); + } + + service.init_splits_between(pg->info.pgid, pg->get_osdmap(), osdmap); + + // generate state for PG's current mapping + int primary, up_primary; + vector acting, up; + pg->get_osdmap()->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &primary); + pg->init_primary_up_acting( + up, + acting, + up_primary, + primary); + int role = OSDMap::calc_pg_role(whoami, pg->acting); + if (pg->pool.info.is_replicated() || role == pg->pg_whoami.shard) + pg->set_role(role); + else + pg->set_role(-1); + + pg->reg_next_scrub(); + + PG::RecoveryCtx rctx(0, 0, 0, 0, 0, 0); + pg->handle_loaded(&rctx); + + dout(10) << "load_pgs loaded " << *pg << " " << pg->pg_log.get_log() << dendl; + if (pg->pg_log.is_dirty()) { + ObjectStore::Transaction t; + pg->write_if_dirty(t); + store->apply_transaction(pg->osr.get(), std::move(t)); + } + pg->unlock(); + } + { + RWLock::RLocker l(pg_map_lock); + dout(0) << "load_pgs opened " << pg_map.size() << " pgs" << dendl; + } + + // clean up old infos object? + if (has_upgraded && store->exists(coll_t::meta(), OSD::make_infos_oid())) { + dout(1) << __func__ << " removing legacy infos object" << dendl; + ObjectStore::Transaction t; + t.remove(coll_t::meta(), OSD::make_infos_oid()); + int r = store->apply_transaction(service.meta_osr.get(), std::move(t)); + if (r != 0) { + derr << __func__ << ": apply_transaction returned " + << cpp_strerror(r) << dendl; + ceph_abort(); + } + } + + build_past_intervals_parallel(); +} + + +/* + * build past_intervals efficiently on old, degraded, and buried + * clusters. this is important for efficiently catching up osds that + * are way behind on maps to the current cluster state. + * + * this is a parallel version of PG::generate_past_intervals(). + * follow the same logic, but do all pgs at the same time so that we + * can make a single pass across the osdmap history. + */ +void OSD::build_past_intervals_parallel() +{ + struct pistate { + epoch_t start, end; + vector old_acting, old_up; + epoch_t same_interval_since; + int primary; + int up_primary; + }; + map pis; + + // calculate junction of map range + epoch_t end_epoch = superblock.oldest_map; + epoch_t cur_epoch = superblock.newest_map; + { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator i = pg_map.begin(); + i != pg_map.end(); + ++i) { + PG *pg = i->second; + + // Ignore PGs only partially created (DNE) + if (pg->info.dne()) { + continue; + } + + auto rpib = pg->get_required_past_interval_bounds( + pg->info, + superblock.oldest_map); + if (rpib.first >= rpib.second && pg->past_intervals.empty()) { + if (pg->info.history.same_interval_since == 0) { + pg->info.history.same_interval_since = rpib.second; + } + continue; + } else { + auto apib = pg->past_intervals.get_bounds(); + if (apib.second >= rpib.second && + apib.first <= rpib.first) { + if (pg->info.history.same_interval_since == 0) { + pg->info.history.same_interval_since = rpib.second; + } + continue; + } + } + + dout(10) << pg->info.pgid << " needs " << rpib.first << "-" + << rpib.second << dendl; + pistate& p = pis[pg]; + p.start = rpib.first; + p.end = rpib.second; + p.same_interval_since = 0; + + if (rpib.first < cur_epoch) + cur_epoch = rpib.first; + if (rpib.second > end_epoch) + end_epoch = rpib.second; + } + } + if (pis.empty()) { + dout(10) << __func__ << " nothing to build" << dendl; + return; + } + + dout(1) << __func__ << " over " << cur_epoch << "-" << end_epoch << dendl; + assert(cur_epoch <= end_epoch); + + OSDMapRef cur_map, last_map; + for ( ; cur_epoch <= end_epoch; cur_epoch++) { + dout(10) << __func__ << " epoch " << cur_epoch << dendl; + last_map = cur_map; + cur_map = get_map(cur_epoch); + + for (map::iterator i = pis.begin(); i != pis.end(); ++i) { + PG *pg = i->first; + pistate& p = i->second; + + if (cur_epoch < p.start || cur_epoch > p.end) + continue; + + vector acting, up; + int up_primary; + int primary; + pg_t pgid = pg->info.pgid.pgid; + if (p.same_interval_since && last_map->get_pools().count(pgid.pool())) + pgid = pgid.get_ancestor(last_map->get_pg_num(pgid.pool())); + cur_map->pg_to_up_acting_osds( + pgid, &up, &up_primary, &acting, &primary); + + if (p.same_interval_since == 0) { + dout(10) << __func__ << " epoch " << cur_epoch << " pg " << pg->info.pgid + << " first map, acting " << acting + << " up " << up << ", same_interval_since = " << cur_epoch << dendl; + p.same_interval_since = cur_epoch; + p.old_up = up; + p.old_acting = acting; + p.primary = primary; + p.up_primary = up_primary; + continue; + } + assert(last_map); + + boost::scoped_ptr recoverable( + pg->get_is_recoverable_predicate()); + std::stringstream debug; + bool new_interval = PastIntervals::check_new_interval( + p.primary, + primary, + p.old_acting, acting, + p.up_primary, + up_primary, + p.old_up, up, + p.same_interval_since, + pg->info.history.last_epoch_clean, + cur_map, last_map, + pgid, + recoverable.get(), + &pg->past_intervals, + &debug); + if (new_interval) { + dout(10) << __func__ << " epoch " << cur_epoch << " pg " << pg->info.pgid + << " " << debug.str() << dendl; + p.old_up = up; + p.old_acting = acting; + p.primary = primary; + p.up_primary = up_primary; + p.same_interval_since = cur_epoch; + } + } + } + + // Now that past_intervals have been recomputed let's fix the same_interval_since + // if it was cleared by import. + for (map::iterator i = pis.begin(); i != pis.end(); ++i) { + PG *pg = i->first; + pistate& p = i->second; + + if (pg->info.history.same_interval_since == 0) { + assert(p.same_interval_since); + dout(10) << __func__ << " fix same_interval_since " << p.same_interval_since << " pg " << *pg << dendl; + dout(10) << __func__ << " past_intervals " << pg->past_intervals << dendl; + // Fix it + pg->info.history.same_interval_since = p.same_interval_since; + } + } + + // write info only at the end. this is necessary because we check + // whether the past_intervals go far enough back or forward in time, + // but we don't check for holes. we could avoid it by discarding + // the previous past_intervals and rebuilding from scratch, or we + // can just do this and commit all our work at the end. + ObjectStore::Transaction t; + int num = 0; + for (map::iterator i = pis.begin(); i != pis.end(); ++i) { + PG *pg = i->first; + pg->lock(); + pg->dirty_big_info = true; + pg->dirty_info = true; + pg->write_if_dirty(t); + pg->unlock(); + + // don't let the transaction get too big + if (++num >= cct->_conf->osd_target_transaction_size) { + store->apply_transaction(service.meta_osr.get(), std::move(t)); + t = ObjectStore::Transaction(); + num = 0; + } + } + if (!t.empty()) + store->apply_transaction(service.meta_osr.get(), std::move(t)); +} + +/* + * look up a pg. if we have it, great. if not, consider creating it IF the pg mapping + * hasn't changed since the given epoch and we are the primary. + */ +int OSD::handle_pg_peering_evt( + spg_t pgid, + const pg_history_t& orig_history, + const PastIntervals& pi, + epoch_t epoch, + PG::CephPeeringEvtRef evt) +{ + if (service.splitting(pgid)) { + peering_wait_for_split[pgid].push_back(evt); + return -EEXIST; + } + + PG *pg = _lookup_lock_pg(pgid); + if (!pg) { + // same primary? + if (!osdmap->have_pg_pool(pgid.pool())) + return -EINVAL; + int up_primary, acting_primary; + vector up, acting; + osdmap->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &acting_primary); + + pg_history_t history = orig_history; + bool valid_history = project_pg_history( + pgid, history, epoch, up, up_primary, acting, acting_primary); + + if (!valid_history || epoch < history.same_interval_since) { + dout(10) << __func__ << pgid << " acting changed in " + << history.same_interval_since << " (msg from " << epoch << ")" + << dendl; + return -EINVAL; + } + + if (service.splitting(pgid)) { + ceph_abort(); + } + + const bool is_mon_create = + evt->get_event().dynamic_type() == PG::NullEvt::static_type(); + if (maybe_wait_for_max_pg(pgid, is_mon_create)) { + return -EAGAIN; + } + // do we need to resurrect a deleting pg? + spg_t resurrected; + PGRef old_pg_state; + res_result result = _try_resurrect_pg( + service.get_osdmap(), + pgid, + &resurrected, + &old_pg_state); + + PG::RecoveryCtx rctx = create_context(); + switch (result) { + case RES_NONE: { + const pg_pool_t* pp = osdmap->get_pg_pool(pgid.pool()); + if (pp->has_flag(pg_pool_t::FLAG_EC_OVERWRITES) && + store->get_type() != "bluestore") { + clog->warn() << "pg " << pgid + << " is at risk of silent data corruption: " + << "the pool allows ec overwrites but is not stored in " + << "bluestore, so deep scrubbing will not detect bitrot"; + } + PG::_create(*rctx.transaction, pgid, pgid.get_split_bits(pp->get_pg_num())); + PG::_init(*rctx.transaction, pgid, pp); + + int role = osdmap->calc_pg_role(whoami, acting, acting.size()); + if (!pp->is_replicated() && role != pgid.shard) + role = -1; + + pg = _create_lock_pg( + get_map(epoch), + pgid, false, false, + role, + up, up_primary, + acting, acting_primary, + history, pi, + *rctx.transaction); + pg->handle_create(&rctx); + pg->write_if_dirty(*rctx.transaction); + dispatch_context(rctx, pg, osdmap); + + dout(10) << *pg << " is new" << dendl; + + pg->queue_peering_event(evt); + wake_pg_waiters(pg); + pg->unlock(); + return 0; + } + case RES_SELF: { + old_pg_state->lock(); + OSDMapRef old_osd_map = old_pg_state->get_osdmap(); + int old_role = old_pg_state->role; + vector old_up = old_pg_state->up; + int old_up_primary = old_pg_state->up_primary.osd; + vector old_acting = old_pg_state->acting; + int old_primary = old_pg_state->primary.osd; + pg_history_t old_history = old_pg_state->info.history; + PastIntervals old_past_intervals = old_pg_state->past_intervals; + old_pg_state->unlock(); + pg = _create_lock_pg( + old_osd_map, + resurrected, + false, + true, + old_role, + old_up, + old_up_primary, + old_acting, + old_primary, + old_history, + old_past_intervals, + *rctx.transaction); + pg->handle_create(&rctx); + pg->write_if_dirty(*rctx.transaction); + dispatch_context(rctx, pg, osdmap); + + dout(10) << *pg << " is new (resurrected)" << dendl; + + pg->queue_peering_event(evt); + wake_pg_waiters(pg); + pg->unlock(); + return 0; + } + case RES_PARENT: { + assert(old_pg_state); + old_pg_state->lock(); + OSDMapRef old_osd_map = old_pg_state->get_osdmap(); + int old_role = old_pg_state->role; + vector old_up = old_pg_state->up; + int old_up_primary = old_pg_state->up_primary.osd; + vector old_acting = old_pg_state->acting; + int old_primary = old_pg_state->primary.osd; + pg_history_t old_history = old_pg_state->info.history; + PastIntervals old_past_intervals = old_pg_state->past_intervals; + old_pg_state->unlock(); + PG *parent = _create_lock_pg( + old_osd_map, + resurrected, + false, + true, + old_role, + old_up, + old_up_primary, + old_acting, + old_primary, + old_history, + old_past_intervals, + *rctx.transaction + ); + parent->handle_create(&rctx); + parent->write_if_dirty(*rctx.transaction); + dispatch_context(rctx, parent, osdmap); + + dout(10) << *parent << " is new" << dendl; + + assert(service.splitting(pgid)); + peering_wait_for_split[pgid].push_back(evt); + + //parent->queue_peering_event(evt); + parent->queue_null(osdmap->get_epoch(), osdmap->get_epoch()); + wake_pg_waiters(parent); + parent->unlock(); + return 0; + } + default: + assert(0); + return 0; + } + } else { + // already had it. did the mapping change? + if (epoch < pg->info.history.same_interval_since) { + dout(10) << *pg << __func__ << " acting changed in " + << pg->info.history.same_interval_since + << " (msg from " << epoch << ")" << dendl; + } else { + pg->queue_peering_event(evt); + } + pg->unlock(); + return -EEXIST; + } +} + +bool OSD::maybe_wait_for_max_pg(spg_t pgid, bool is_mon_create) +{ + const auto max_pgs_per_osd = + (cct->_conf->get_val("mon_max_pg_per_osd") * + cct->_conf->get_val("osd_max_pg_per_osd_hard_ratio")); + + RWLock::RLocker pg_map_locker{pg_map_lock}; + if (pg_map.size() < max_pgs_per_osd) { + return false; + } + lock_guard pending_creates_locker{pending_creates_lock}; + if (is_mon_create) { + pending_creates_from_mon++; + } else { + pending_creates_from_osd.emplace(pgid.pgid); + } + dout(5) << __func__ << " withhold creation of pg " << pgid + << ": " << pg_map.size() << " >= "<< max_pgs_per_osd << dendl; + return true; +} + +// to re-trigger a peering, we have to twiddle the pg mapping a little bit, +// see PG::should_restart_peering(). OSDMap::pg_to_up_acting_osds() will turn +// to up set if pg_temp is empty. so an empty pg_temp won't work. +static vector twiddle(const vector& acting) { + if (acting.size() > 1) { + return {acting[0]}; + } else { + vector twiddled(acting.begin(), acting.end()); + twiddled.push_back(-1); + return twiddled; + } +} + +void OSD::resume_creating_pg() +{ + bool do_sub_pg_creates = false; + MOSDPGTemp *pgtemp = nullptr; + { + const auto max_pgs_per_osd = + (cct->_conf->get_val("mon_max_pg_per_osd") * + cct->_conf->get_val("osd_max_pg_per_osd_hard_ratio")); + RWLock::RLocker l(pg_map_lock); + if (max_pgs_per_osd <= pg_map.size()) { + // this could happen if admin decreases this setting before a PG is removed + return; + } + unsigned spare_pgs = max_pgs_per_osd - pg_map.size(); + lock_guard pending_creates_locker{pending_creates_lock}; + if (pending_creates_from_mon > 0) { + do_sub_pg_creates = true; + if (pending_creates_from_mon >= spare_pgs) { + spare_pgs = pending_creates_from_mon = 0; + } else { + spare_pgs -= pending_creates_from_mon; + pending_creates_from_mon = 0; + } + } + auto pg = pending_creates_from_osd.cbegin(); + while (spare_pgs > 0 && pg != pending_creates_from_osd.cend()) { + if (!pgtemp) { + pgtemp = new MOSDPGTemp{osdmap->get_epoch()}; + } + vector acting; + osdmap->pg_to_up_acting_osds(*pg, nullptr, nullptr, &acting, nullptr); + pgtemp->pg_temp[*pg] = twiddle(acting); + pg = pending_creates_from_osd.erase(pg); + spare_pgs--; + } + } + if (do_sub_pg_creates) { + if (monc->sub_want("osd_pg_creates", last_pg_create_epoch, 0)) { + dout(4) << __func__ << ": resolicit pg creates from mon since " + << last_pg_create_epoch << dendl; + monc->renew_subs(); + } + } + if (pgtemp) { + pgtemp->forced = true; + monc->send_mon_message(pgtemp); + } +} + +void OSD::build_initial_pg_history( + spg_t pgid, + epoch_t created, + utime_t created_stamp, + pg_history_t *h, + PastIntervals *pi) +{ + dout(10) << __func__ << " " << pgid << " created " << created << dendl; + h->epoch_created = created; + h->epoch_pool_created = created; + h->same_interval_since = created; + h->same_up_since = created; + h->same_primary_since = created; + h->last_scrub_stamp = created_stamp; + h->last_deep_scrub_stamp = created_stamp; + h->last_clean_scrub_stamp = created_stamp; + + OSDMapRef lastmap = service.get_map(created); + int up_primary, acting_primary; + vector up, acting; + lastmap->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &acting_primary); + + ostringstream debug; + for (epoch_t e = created + 1; e <= osdmap->get_epoch(); ++e) { + OSDMapRef osdmap = service.get_map(e); + int new_up_primary, new_acting_primary; + vector new_up, new_acting; + osdmap->pg_to_up_acting_osds( + pgid.pgid, &new_up, &new_up_primary, &new_acting, &new_acting_primary); + + // this is a bit imprecise, but sufficient? + struct min_size_predicate_t : public IsPGRecoverablePredicate { + const pg_pool_t *pi; + bool operator()(const set &have) const { + return have.size() >= pi->min_size; + } + min_size_predicate_t(const pg_pool_t *i) : pi(i) {} + } min_size_predicate(osdmap->get_pg_pool(pgid.pgid.pool())); + + bool new_interval = PastIntervals::check_new_interval( + acting_primary, + new_acting_primary, + acting, new_acting, + up_primary, + new_up_primary, + up, new_up, + h->same_interval_since, + h->last_epoch_clean, + osdmap, + lastmap, + pgid.pgid, + &min_size_predicate, + pi, + &debug); + if (new_interval) { + h->same_interval_since = e; + if (up != new_up) { + h->same_up_since = e; + } + if (acting_primary != new_acting_primary) { + h->same_primary_since = e; + } + if (pgid.pgid.is_split(lastmap->get_pg_num(pgid.pgid.pool()), + osdmap->get_pg_num(pgid.pgid.pool()), + nullptr)) { + h->last_epoch_split = e; + } + up = new_up; + acting = new_acting; + up_primary = new_up_primary; + acting_primary = new_acting_primary; + } + lastmap = osdmap; + } + dout(20) << __func__ << " " << debug.str() << dendl; + dout(10) << __func__ << " " << *h << " " << *pi + << " [" << (pi->empty() ? pair(0,0) : + pi->get_bounds()) << ")" + << dendl; +} + +/** + * Fill in the passed history so you know same_interval_since, same_up_since, + * and same_primary_since. + */ +bool OSD::project_pg_history(spg_t pgid, pg_history_t& h, epoch_t from, + const vector& currentup, + int currentupprimary, + const vector& currentacting, + int currentactingprimary) +{ + dout(15) << "project_pg_history " << pgid + << " from " << from << " to " << osdmap->get_epoch() + << ", start " << h + << dendl; + + epoch_t e; + for (e = osdmap->get_epoch(); + e > from; + e--) { + // verify during intermediate epoch (e-1) + OSDMapRef oldmap = service.try_get_map(e-1); + if (!oldmap) { + dout(15) << __func__ << ": found map gap, returning false" << dendl; + return false; + } + assert(oldmap->have_pg_pool(pgid.pool())); + + int upprimary, actingprimary; + vector up, acting; + oldmap->pg_to_up_acting_osds( + pgid.pgid, + &up, + &upprimary, + &acting, + &actingprimary); + + // acting set change? + if ((actingprimary != currentactingprimary || + upprimary != currentupprimary || + acting != currentacting || + up != currentup) && e > h.same_interval_since) { + dout(15) << "project_pg_history " << pgid << " acting|up changed in " << e + << " from " << acting << "/" << up + << " " << actingprimary << "/" << upprimary + << " -> " << currentacting << "/" << currentup + << " " << currentactingprimary << "/" << currentupprimary + << dendl; + h.same_interval_since = e; + } + // split? + if (pgid.is_split(oldmap->get_pg_num(pgid.pool()), + osdmap->get_pg_num(pgid.pool()), + 0) && e > h.same_interval_since) { + h.same_interval_since = e; + } + // up set change? + if ((up != currentup || upprimary != currentupprimary) + && e > h.same_up_since) { + dout(15) << "project_pg_history " << pgid << " up changed in " << e + << " from " << up << " " << upprimary + << " -> " << currentup << " " << currentupprimary << dendl; + h.same_up_since = e; + } + + // primary change? + if (OSDMap::primary_changed( + actingprimary, + acting, + currentactingprimary, + currentacting) && + e > h.same_primary_since) { + dout(15) << "project_pg_history " << pgid << " primary changed in " << e << dendl; + h.same_primary_since = e; + } + + if (h.same_interval_since >= e && h.same_up_since >= e && h.same_primary_since >= e) + break; + } + + // base case: these floors should be the pg creation epoch if we didn't + // find any changes. + if (e == h.epoch_created) { + if (!h.same_interval_since) + h.same_interval_since = e; + if (!h.same_up_since) + h.same_up_since = e; + if (!h.same_primary_since) + h.same_primary_since = e; + } + + dout(15) << "project_pg_history end " << h << dendl; + return true; +} + + + +void OSD::_add_heartbeat_peer(int p) +{ + if (p == whoami) + return; + HeartbeatInfo *hi; + + map::iterator i = heartbeat_peers.find(p); + if (i == heartbeat_peers.end()) { + pair cons = service.get_con_osd_hb(p, osdmap->get_epoch()); + if (!cons.first) + return; + hi = &heartbeat_peers[p]; + hi->peer = p; + HeartbeatSession *s = new HeartbeatSession(p); + hi->con_back = cons.first.get(); + hi->con_back->set_priv(s->get()); + if (cons.second) { + hi->con_front = cons.second.get(); + hi->con_front->set_priv(s->get()); + dout(10) << "_add_heartbeat_peer: new peer osd." << p + << " " << hi->con_back->get_peer_addr() + << " " << hi->con_front->get_peer_addr() + << dendl; + } else { + hi->con_front.reset(NULL); + dout(10) << "_add_heartbeat_peer: new peer osd." << p + << " " << hi->con_back->get_peer_addr() + << dendl; + } + s->put(); + } else { + hi = &i->second; + } + hi->epoch = osdmap->get_epoch(); +} + +void OSD::_remove_heartbeat_peer(int n) +{ + map::iterator q = heartbeat_peers.find(n); + assert(q != heartbeat_peers.end()); + dout(20) << " removing heartbeat peer osd." << n + << " " << q->second.con_back->get_peer_addr() + << " " << (q->second.con_front ? q->second.con_front->get_peer_addr() : entity_addr_t()) + << dendl; + q->second.con_back->mark_down(); + if (q->second.con_front) { + q->second.con_front->mark_down(); + } + heartbeat_peers.erase(q); +} + +void OSD::need_heartbeat_peer_update() +{ + if (is_stopping()) + return; + dout(20) << "need_heartbeat_peer_update" << dendl; + heartbeat_set_peers_need_update(); +} + +void OSD::maybe_update_heartbeat_peers() +{ + assert(osd_lock.is_locked()); + + if (is_waiting_for_healthy()) { + utime_t now = ceph_clock_now(); + if (last_heartbeat_resample == utime_t()) { + last_heartbeat_resample = now; + heartbeat_set_peers_need_update(); + } else if (!heartbeat_peers_need_update()) { + utime_t dur = now - last_heartbeat_resample; + if (dur > cct->_conf->osd_heartbeat_grace) { + dout(10) << "maybe_update_heartbeat_peers forcing update after " << dur << " seconds" << dendl; + heartbeat_set_peers_need_update(); + last_heartbeat_resample = now; + reset_heartbeat_peers(); // we want *new* peers! + } + } + } + + if (!heartbeat_peers_need_update()) + return; + heartbeat_clear_peers_need_update(); + + Mutex::Locker l(heartbeat_lock); + + dout(10) << "maybe_update_heartbeat_peers updating" << dendl; + + + // build heartbeat from set + if (is_active()) { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator i = pg_map.begin(); + i != pg_map.end(); + ++i) { + PG *pg = i->second; + pg->heartbeat_peer_lock.Lock(); + dout(20) << i->first << " heartbeat_peers " << pg->heartbeat_peers << dendl; + for (set::iterator p = pg->heartbeat_peers.begin(); + p != pg->heartbeat_peers.end(); + ++p) + if (osdmap->is_up(*p)) + _add_heartbeat_peer(*p); + for (set::iterator p = pg->probe_targets.begin(); + p != pg->probe_targets.end(); + ++p) + if (osdmap->is_up(*p)) + _add_heartbeat_peer(*p); + pg->heartbeat_peer_lock.Unlock(); + } + } + + // include next and previous up osds to ensure we have a fully-connected set + set want, extras; + int next = osdmap->get_next_up_osd_after(whoami); + if (next >= 0) + want.insert(next); + int prev = osdmap->get_previous_up_osd_before(whoami); + if (prev >= 0 && prev != next) + want.insert(prev); + + for (set::iterator p = want.begin(); p != want.end(); ++p) { + dout(10) << " adding neighbor peer osd." << *p << dendl; + extras.insert(*p); + _add_heartbeat_peer(*p); + } + + // remove down peers; enumerate extras + map::iterator p = heartbeat_peers.begin(); + while (p != heartbeat_peers.end()) { + if (!osdmap->is_up(p->first)) { + int o = p->first; + ++p; + _remove_heartbeat_peer(o); + continue; + } + if (p->second.epoch < osdmap->get_epoch()) { + extras.insert(p->first); + } + ++p; + } + + // too few? + int start = osdmap->get_next_up_osd_after(whoami); + for (int n = start; n >= 0; ) { + if ((int)heartbeat_peers.size() >= cct->_conf->osd_heartbeat_min_peers) + break; + if (!extras.count(n) && !want.count(n) && n != whoami) { + dout(10) << " adding random peer osd." << n << dendl; + extras.insert(n); + _add_heartbeat_peer(n); + } + n = osdmap->get_next_up_osd_after(n); + if (n == start) + break; // came full circle; stop + } + + // too many? + for (set::iterator p = extras.begin(); + (int)heartbeat_peers.size() > cct->_conf->osd_heartbeat_min_peers && p != extras.end(); + ++p) { + if (want.count(*p)) + continue; + _remove_heartbeat_peer(*p); + } + + dout(10) << "maybe_update_heartbeat_peers " << heartbeat_peers.size() << " peers, extras " << extras << dendl; +} + +void OSD::reset_heartbeat_peers() +{ + assert(osd_lock.is_locked()); + dout(10) << "reset_heartbeat_peers" << dendl; + Mutex::Locker l(heartbeat_lock); + while (!heartbeat_peers.empty()) { + HeartbeatInfo& hi = heartbeat_peers.begin()->second; + hi.con_back->mark_down(); + if (hi.con_front) { + hi.con_front->mark_down(); + } + heartbeat_peers.erase(heartbeat_peers.begin()); + } + failure_queue.clear(); +} + +void OSD::handle_osd_ping(MOSDPing *m) +{ + if (superblock.cluster_fsid != m->fsid) { + dout(20) << "handle_osd_ping from " << m->get_source_inst() + << " bad fsid " << m->fsid << " != " << superblock.cluster_fsid << dendl; + m->put(); + return; + } + + int from = m->get_source().num(); + + heartbeat_lock.Lock(); + if (is_stopping()) { + heartbeat_lock.Unlock(); + m->put(); + return; + } + + OSDMapRef curmap = service.get_osdmap(); + if (!curmap) { + heartbeat_lock.Unlock(); + m->put(); + return; + } + + switch (m->op) { + + case MOSDPing::PING: + { + if (cct->_conf->osd_debug_drop_ping_probability > 0) { + auto heartbeat_drop = debug_heartbeat_drops_remaining.find(from); + if (heartbeat_drop != debug_heartbeat_drops_remaining.end()) { + if (heartbeat_drop->second == 0) { + debug_heartbeat_drops_remaining.erase(heartbeat_drop); + } else { + --heartbeat_drop->second; + dout(5) << "Dropping heartbeat from " << from + << ", " << heartbeat_drop->second + << " remaining to drop" << dendl; + break; + } + } else if (cct->_conf->osd_debug_drop_ping_probability > + ((((double)(rand()%100))/100.0))) { + heartbeat_drop = + debug_heartbeat_drops_remaining.insert(std::make_pair(from, + cct->_conf->osd_debug_drop_ping_duration)).first; + dout(5) << "Dropping heartbeat from " << from + << ", " << heartbeat_drop->second + << " remaining to drop" << dendl; + break; + } + } + + if (!cct->get_heartbeat_map()->is_healthy()) { + dout(10) << "internal heartbeat not healthy, dropping ping request" << dendl; + break; + } + + Message *r = new MOSDPing(monc->get_fsid(), + curmap->get_epoch(), + MOSDPing::PING_REPLY, m->stamp, + cct->_conf->osd_heartbeat_min_size); + m->get_connection()->send_message(r); + + if (curmap->is_up(from)) { + service.note_peer_epoch(from, m->map_epoch); + if (is_active()) { + ConnectionRef con = service.get_con_osd_cluster(from, curmap->get_epoch()); + if (con) { + service.share_map_peer(from, con.get()); + } + } + } else if (!curmap->exists(from) || + curmap->get_down_at(from) > m->map_epoch) { + // tell them they have died + Message *r = new MOSDPing(monc->get_fsid(), + curmap->get_epoch(), + MOSDPing::YOU_DIED, + m->stamp, + cct->_conf->osd_heartbeat_min_size); + m->get_connection()->send_message(r); + } + } + break; + + case MOSDPing::PING_REPLY: + { + map::iterator i = heartbeat_peers.find(from); + if (i != heartbeat_peers.end()) { + if (m->get_connection() == i->second.con_back) { + dout(25) << "handle_osd_ping got reply from osd." << from + << " first_tx " << i->second.first_tx + << " last_tx " << i->second.last_tx + << " last_rx_back " << i->second.last_rx_back << " -> " << m->stamp + << " last_rx_front " << i->second.last_rx_front + << dendl; + i->second.last_rx_back = m->stamp; + // if there is no front con, set both stamps. + if (i->second.con_front == NULL) + i->second.last_rx_front = m->stamp; + } else if (m->get_connection() == i->second.con_front) { + dout(25) << "handle_osd_ping got reply from osd." << from + << " first_tx " << i->second.first_tx + << " last_tx " << i->second.last_tx + << " last_rx_back " << i->second.last_rx_back + << " last_rx_front " << i->second.last_rx_front << " -> " << m->stamp + << dendl; + i->second.last_rx_front = m->stamp; + } + + utime_t cutoff = ceph_clock_now(); + cutoff -= cct->_conf->osd_heartbeat_grace; + if (i->second.is_healthy(cutoff)) { + // Cancel false reports + auto failure_queue_entry = failure_queue.find(from); + if (failure_queue_entry != failure_queue.end()) { + dout(10) << "handle_osd_ping canceling queued " + << "failure report for osd." << from << dendl; + failure_queue.erase(failure_queue_entry); + } + + auto failure_pending_entry = failure_pending.find(from); + if (failure_pending_entry != failure_pending.end()) { + dout(10) << "handle_osd_ping canceling in-flight " + << "failure report for osd." << from << dendl; + send_still_alive(curmap->get_epoch(), + failure_pending_entry->second.second); + failure_pending.erase(failure_pending_entry); + } + } + } + + if (m->map_epoch && + curmap->is_up(from)) { + service.note_peer_epoch(from, m->map_epoch); + if (is_active()) { + ConnectionRef con = service.get_con_osd_cluster(from, curmap->get_epoch()); + if (con) { + service.share_map_peer(from, con.get()); + } + } + } + } + break; + + case MOSDPing::YOU_DIED: + dout(10) << "handle_osd_ping " << m->get_source_inst() + << " says i am down in " << m->map_epoch << dendl; + osdmap_subscribe(curmap->get_epoch()+1, false); + break; + } + + heartbeat_lock.Unlock(); + m->put(); +} + +void OSD::heartbeat_entry() +{ + Mutex::Locker l(heartbeat_lock); + if (is_stopping()) + return; + while (!heartbeat_stop) { + heartbeat(); + + double wait = .5 + ((float)(rand() % 10)/10.0) * (float)cct->_conf->osd_heartbeat_interval; + utime_t w; + w.set_from_double(wait); + dout(30) << "heartbeat_entry sleeping for " << wait << dendl; + heartbeat_cond.WaitInterval(heartbeat_lock, w); + if (is_stopping()) + return; + dout(30) << "heartbeat_entry woke up" << dendl; + } +} + +void OSD::heartbeat_check() +{ + assert(heartbeat_lock.is_locked()); + utime_t now = ceph_clock_now(); + + // check for heartbeat replies (move me elsewhere?) + utime_t cutoff = now; + cutoff -= cct->_conf->osd_heartbeat_grace; + for (map::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) { + + if (p->second.first_tx == utime_t()) { + dout(25) << "heartbeat_check we haven't sent ping to osd." << p->first + << "yet, skipping" << dendl; + continue; + } + + dout(25) << "heartbeat_check osd." << p->first + << " first_tx " << p->second.first_tx + << " last_tx " << p->second.last_tx + << " last_rx_back " << p->second.last_rx_back + << " last_rx_front " << p->second.last_rx_front + << dendl; + if (p->second.is_unhealthy(cutoff)) { + if (p->second.last_rx_back == utime_t() || + p->second.last_rx_front == utime_t()) { + derr << "heartbeat_check: no reply from " << p->second.con_front->get_peer_addr().get_sockaddr() + << " osd." << p->first << " ever on either front or back, first ping sent " + << p->second.first_tx << " (cutoff " << cutoff << ")" << dendl; + // fail + failure_queue[p->first] = p->second.last_tx; + } else { + derr << "heartbeat_check: no reply from " << p->second.con_front->get_peer_addr().get_sockaddr() + << " osd." << p->first << " since back " << p->second.last_rx_back + << " front " << p->second.last_rx_front + << " (cutoff " << cutoff << ")" << dendl; + // fail + failure_queue[p->first] = MIN(p->second.last_rx_back, p->second.last_rx_front); + } + } + } +} + +void OSD::heartbeat() +{ + dout(30) << "heartbeat" << dendl; + + // get CPU load avg + double loadavgs[1]; + int n_samples = 86400 / cct->_conf->osd_heartbeat_interval; + if (getloadavg(loadavgs, 1) == 1) { + logger->set(l_osd_loadavg, 100 * loadavgs[0]); + daily_loadavg = (daily_loadavg * (n_samples - 1) + loadavgs[0]) / n_samples; + dout(30) << "heartbeat: daily_loadavg " << daily_loadavg << dendl; + } + + dout(30) << "heartbeat checking stats" << dendl; + + // refresh stats? + vector hb_peers; + for (map::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) + hb_peers.push_back(p->first); + service.update_osd_stat(hb_peers); + + dout(5) << "heartbeat: " << service.get_osd_stat() << dendl; + + utime_t now = ceph_clock_now(); + + // send heartbeats + for (map::iterator i = heartbeat_peers.begin(); + i != heartbeat_peers.end(); + ++i) { + int peer = i->first; + i->second.last_tx = now; + if (i->second.first_tx == utime_t()) + i->second.first_tx = now; + dout(30) << "heartbeat sending ping to osd." << peer << dendl; + i->second.con_back->send_message(new MOSDPing(monc->get_fsid(), + service.get_osdmap()->get_epoch(), + MOSDPing::PING, now, + cct->_conf->osd_heartbeat_min_size)); + + if (i->second.con_front) + i->second.con_front->send_message(new MOSDPing(monc->get_fsid(), + service.get_osdmap()->get_epoch(), + MOSDPing::PING, now, + cct->_conf->osd_heartbeat_min_size)); + } + + logger->set(l_osd_hb_to, heartbeat_peers.size()); + + // hmm.. am i all alone? + dout(30) << "heartbeat lonely?" << dendl; + if (heartbeat_peers.empty()) { + if (now - last_mon_heartbeat > cct->_conf->osd_mon_heartbeat_interval && is_active()) { + last_mon_heartbeat = now; + dout(10) << "i have no heartbeat peers; checking mon for new map" << dendl; + osdmap_subscribe(osdmap->get_epoch() + 1, false); + } + } + + dout(30) << "heartbeat done" << dendl; +} + +bool OSD::heartbeat_reset(Connection *con) +{ + HeartbeatSession *s = static_cast(con->get_priv()); + if (s) { + heartbeat_lock.Lock(); + if (is_stopping()) { + heartbeat_lock.Unlock(); + s->put(); + return true; + } + map::iterator p = heartbeat_peers.find(s->peer); + if (p != heartbeat_peers.end() && + (p->second.con_back == con || + p->second.con_front == con)) { + dout(10) << "heartbeat_reset failed hb con " << con << " for osd." << p->second.peer + << ", reopening" << dendl; + if (con != p->second.con_back) { + p->second.con_back->mark_down(); + } + p->second.con_back.reset(NULL); + if (p->second.con_front && con != p->second.con_front) { + p->second.con_front->mark_down(); + } + p->second.con_front.reset(NULL); + pair newcon = service.get_con_osd_hb(p->second.peer, p->second.epoch); + if (newcon.first) { + p->second.con_back = newcon.first.get(); + p->second.con_back->set_priv(s->get()); + if (newcon.second) { + p->second.con_front = newcon.second.get(); + p->second.con_front->set_priv(s->get()); + } + } else { + dout(10) << "heartbeat_reset failed hb con " << con << " for osd." << p->second.peer + << ", raced with osdmap update, closing out peer" << dendl; + heartbeat_peers.erase(p); + } + } else { + dout(10) << "heartbeat_reset closing (old) failed hb con " << con << dendl; + } + heartbeat_lock.Unlock(); + s->put(); + } + return true; +} + + + +// ========================================= + +void OSD::tick() +{ + assert(osd_lock.is_locked()); + dout(10) << "tick" << dendl; + + if (is_active() || is_waiting_for_healthy()) { + maybe_update_heartbeat_peers(); + } + + if (is_waiting_for_healthy()) { + start_boot(); + } else if (is_preboot() && + waiting_for_luminous_mons && + monc->monmap.get_required_features().contains_all( + ceph::features::mon::FEATURE_LUMINOUS)) { + // mon upgrade finished! + start_boot(); + } + + do_waiters(); + + tick_timer.add_event_after(OSD_TICK_INTERVAL, new C_Tick(this)); +} + +void OSD::tick_without_osd_lock() +{ + assert(tick_timer_lock.is_locked()); + dout(10) << "tick_without_osd_lock" << dendl; + + logger->set(l_osd_buf, buffer::get_total_alloc()); + logger->set(l_osd_history_alloc_bytes, SHIFT_ROUND_UP(buffer::get_history_alloc_bytes(), 20)); + logger->set(l_osd_history_alloc_num, buffer::get_history_alloc_num()); + logger->set(l_osd_cached_crc, buffer::get_cached_crc()); + logger->set(l_osd_cached_crc_adjusted, buffer::get_cached_crc_adjusted()); + logger->set(l_osd_missed_crc, buffer::get_missed_crc()); + + // osd_lock is not being held, which means the OSD state + // might change when doing the monitor report + if (is_active() || is_waiting_for_healthy()) { + heartbeat_lock.Lock(); + heartbeat_check(); + heartbeat_lock.Unlock(); + + map_lock.get_read(); + Mutex::Locker l(mon_report_lock); + + // mon report? + bool reset = false; + bool report = false; + utime_t now = ceph_clock_now(); + pg_stat_queue_lock.Lock(); + double backoff = stats_ack_timeout / cct->_conf->osd_mon_ack_timeout; + double adjusted_min = cct->_conf->osd_mon_report_interval_min * backoff; + // note: we shouldn't adjust max because it must remain < the + // mon's mon_osd_report_timeout (which defaults to 1.5x our + // value). + double max = cct->_conf->osd_mon_report_interval_max; + if (!outstanding_pg_stats.empty() && + (now - stats_ack_timeout) > last_pg_stats_ack) { + dout(1) << __func__ << " mon hasn't acked PGStats in " + << now - last_pg_stats_ack + << " seconds, reconnecting elsewhere" << dendl; + reset = true; + last_pg_stats_ack = now; // reset clock + last_pg_stats_sent = utime_t(); + stats_ack_timeout = + MAX(cct->_conf->osd_mon_ack_timeout, + stats_ack_timeout * cct->_conf->osd_stats_ack_timeout_factor); + outstanding_pg_stats.clear(); + } + if (now - last_pg_stats_sent > max) { + osd_stat_updated = true; + report = true; + } else if (service.need_fullness_update()) { + report = true; + } else if ((int)outstanding_pg_stats.size() >= + cct->_conf->osd_mon_report_max_in_flight) { + dout(20) << __func__ << " have max " << outstanding_pg_stats + << " stats updates in flight" << dendl; + } else { + if (now - last_mon_report > adjusted_min) { + dout(20) << __func__ << " stats backoff " << backoff + << " adjusted_min " << adjusted_min << " - sending report" + << dendl; + osd_stat_updated = true; + report = true; + } + } + pg_stat_queue_lock.Unlock(); + + if (reset) { + monc->reopen_session(); + } else if (report) { + last_mon_report = now; + + // do any pending reports + send_full_update(); + send_failures(); + if (osdmap->require_osd_release < CEPH_RELEASE_LUMINOUS) { + send_pg_stats(now); + } + } + map_lock.put_read(); + } + + if (is_active()) { + if (!scrub_random_backoff()) { + sched_scrub(); + } + service.promote_throttle_recalibrate(); + resume_creating_pg(); + bool need_send_beacon = false; + const auto now = ceph::coarse_mono_clock::now(); + { + // borrow lec lock to pretect last_sent_beacon from changing + Mutex::Locker l{min_last_epoch_clean_lock}; + const auto elapsed = now - last_sent_beacon; + if (chrono::duration_cast(elapsed).count() > + cct->_conf->osd_beacon_report_interval) { + need_send_beacon = true; + } + } + if (need_send_beacon) { + send_beacon(now); + } + } + + check_ops_in_flight(); + service.kick_recovery_queue(); + tick_timer_without_osd_lock.add_event_after(OSD_TICK_INTERVAL, new C_Tick_WithoutOSDLock(this)); +} + +void OSD::check_ops_in_flight() +{ + vector warnings; + if (op_tracker.check_ops_in_flight(warnings)) { + for (vector::iterator i = warnings.begin(); + i != warnings.end(); + ++i) { + clog->warn() << *i; + } + } +} + +// Usage: +// setomapval [namespace/] +// rmomapkey [namespace/] +// setomapheader [namespace/]
+// getomap [namespace/] +// truncobj [namespace/] +// injectmdataerr [namespace/] [shardid] +// injectdataerr [namespace/] [shardid] +// +// set_recovery_delay [utime] +void TestOpsSocketHook::test_ops(OSDService *service, ObjectStore *store, + const std::string &command, cmdmap_t& cmdmap, ostream &ss) +{ + //Test support + //Support changing the omap on a single osd by using the Admin Socket to + //directly request the osd make a change. + if (command == "setomapval" || command == "rmomapkey" || + command == "setomapheader" || command == "getomap" || + command == "truncobj" || command == "injectmdataerr" || + command == "injectdataerr" + ) { + pg_t rawpg; + int64_t pool; + OSDMapRef curmap = service->get_osdmap(); + int r = -1; + + string poolstr; + + cmd_getval(service->cct, cmdmap, "pool", poolstr); + pool = curmap->lookup_pg_pool_name(poolstr); + //If we can't find it by name then maybe id specified + if (pool < 0 && isdigit(poolstr[0])) + pool = atoll(poolstr.c_str()); + if (pool < 0) { + ss << "Invalid pool '" << poolstr << "''"; + return; + } + + string objname, nspace; + cmd_getval(service->cct, cmdmap, "objname", objname); + std::size_t found = objname.find_first_of('/'); + if (found != string::npos) { + nspace = objname.substr(0, found); + objname = objname.substr(found+1); + } + object_locator_t oloc(pool, nspace); + r = curmap->object_locator_to_pg(object_t(objname), oloc, rawpg); + + if (r < 0) { + ss << "Invalid namespace/objname"; + return; + } + + int64_t shardid; + cmd_getval(service->cct, cmdmap, "shardid", shardid, int64_t(shard_id_t::NO_SHARD)); + hobject_t obj(object_t(objname), string(""), CEPH_NOSNAP, rawpg.ps(), pool, nspace); + ghobject_t gobj(obj, ghobject_t::NO_GEN, shard_id_t(uint8_t(shardid))); + spg_t pgid(curmap->raw_pg_to_pg(rawpg), shard_id_t(shardid)); + if (curmap->pg_is_ec(rawpg)) { + if ((command != "injectdataerr") && (command != "injectmdataerr")) { + ss << "Must not call on ec pool, except injectdataerr or injectmdataerr"; + return; + } + } + + ObjectStore::Transaction t; + + if (command == "setomapval") { + map newattrs; + bufferlist val; + string key, valstr; + cmd_getval(service->cct, cmdmap, "key", key); + cmd_getval(service->cct, cmdmap, "val", valstr); + + val.append(valstr); + newattrs[key] = val; + t.omap_setkeys(coll_t(pgid), ghobject_t(obj), newattrs); + r = store->apply_transaction(service->meta_osr.get(), std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "rmomapkey") { + string key; + set keys; + cmd_getval(service->cct, cmdmap, "key", key); + + keys.insert(key); + t.omap_rmkeys(coll_t(pgid), ghobject_t(obj), keys); + r = store->apply_transaction(service->meta_osr.get(), std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "setomapheader") { + bufferlist newheader; + string headerstr; + + cmd_getval(service->cct, cmdmap, "header", headerstr); + newheader.append(headerstr); + t.omap_setheader(coll_t(pgid), ghobject_t(obj), newheader); + r = store->apply_transaction(service->meta_osr.get(), std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "getomap") { + //Debug: Output entire omap + bufferlist hdrbl; + map keyvals; + r = store->omap_get(coll_t(pgid), ghobject_t(obj), &hdrbl, &keyvals); + if (r >= 0) { + ss << "header=" << string(hdrbl.c_str(), hdrbl.length()); + for (map::iterator it = keyvals.begin(); + it != keyvals.end(); ++it) + ss << " key=" << (*it).first << " val=" + << string((*it).second.c_str(), (*it).second.length()); + } else { + ss << "error=" << r; + } + } else if (command == "truncobj") { + int64_t trunclen; + cmd_getval(service->cct, cmdmap, "len", trunclen); + t.truncate(coll_t(pgid), ghobject_t(obj), trunclen); + r = store->apply_transaction(service->meta_osr.get(), std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "injectdataerr") { + store->inject_data_error(gobj); + ss << "ok"; + } else if (command == "injectmdataerr") { + store->inject_mdata_error(gobj); + ss << "ok"; + } + return; + } + if (command == "set_recovery_delay") { + int64_t delay; + cmd_getval(service->cct, cmdmap, "utime", delay, (int64_t)0); + ostringstream oss; + oss << delay; + int r = service->cct->_conf->set_val("osd_recovery_delay_start", + oss.str().c_str()); + if (r != 0) { + ss << "set_recovery_delay: error setting " + << "osd_recovery_delay_start to '" << delay << "': error " + << r; + return; + } + service->cct->_conf->apply_changes(NULL); + ss << "set_recovery_delay: set osd_recovery_delay_start " + << "to " << service->cct->_conf->osd_recovery_delay_start; + return; + } + if (command == "trigger_scrub") { + spg_t pgid; + OSDMapRef curmap = service->get_osdmap(); + + string pgidstr; + + cmd_getval(service->cct, cmdmap, "pgid", pgidstr); + if (!pgid.parse(pgidstr.c_str())) { + ss << "Invalid pgid specified"; + return; + } + + PG *pg = service->osd->_lookup_lock_pg(pgid); + if (pg == nullptr) { + ss << "Can't find pg " << pgid; + return; + } + + if (pg->is_primary()) { + pg->unreg_next_scrub(); + const pg_pool_t *p = curmap->get_pg_pool(pgid.pool()); + double pool_scrub_max_interval = 0; + p->opts.get(pool_opts_t::SCRUB_MAX_INTERVAL, &pool_scrub_max_interval); + double scrub_max_interval = pool_scrub_max_interval > 0 ? + pool_scrub_max_interval : g_conf->osd_scrub_max_interval; + // Instead of marking must_scrub force a schedule scrub + utime_t stamp = ceph_clock_now(); + stamp -= scrub_max_interval; + stamp -= 100.0; // push back last scrub more for good measure + pg->info.history.last_scrub_stamp = stamp; + pg->reg_next_scrub(); + ss << "ok"; + } else { + ss << "Not primary"; + } + pg->unlock(); + return; + } + if (command == "injectfull") { + int64_t count; + string type; + OSDService::s_names state; + cmd_getval(service->cct, cmdmap, "type", type, string("full")); + cmd_getval(service->cct, cmdmap, "count", count, (int64_t)-1); + if (type == "none" || count == 0) { + type = "none"; + count = 0; + } + state = service->get_full_state(type); + if (state == OSDService::s_names::INVALID) { + ss << "Invalid type use (none, nearfull, backfillfull, full, failsafe)"; + return; + } + service->set_injectfull(state, count); + return; + } + ss << "Internal error - command=" << command; +} + +// ========================================= +bool remove_dir( + CephContext *cct, + ObjectStore *store, SnapMapper *mapper, + OSDriver *osdriver, + ObjectStore::Sequencer *osr, + coll_t coll, DeletingStateRef dstate, + bool *finished, + ThreadPool::TPHandle &handle) +{ + vector olist; + int64_t num = 0; + ObjectStore::Transaction t; + ghobject_t next; + handle.reset_tp_timeout(); + store->collection_list( + coll, + next, + ghobject_t::get_max(), + store->get_ideal_list_max(), + &olist, + &next); + generic_dout(10) << __func__ << " " << olist << dendl; + // default cont to true, this is safe because caller(OSD::RemoveWQ::_process()) + // will recheck the answer before it really goes on. + bool cont = true; + for (vector::iterator i = olist.begin(); + i != olist.end(); + ++i) { + if (i->is_pgmeta()) + continue; + OSDriver::OSTransaction _t(osdriver->get_transaction(&t)); + int r = mapper->remove_oid(i->hobj, &_t); + if (r != 0 && r != -ENOENT) { + ceph_abort(); + } + t.remove(coll, *i); + if (++num >= cct->_conf->osd_target_transaction_size) { + C_SaferCond waiter; + store->queue_transaction(osr, std::move(t), &waiter); + cont = dstate->pause_clearing(); + handle.suspend_tp_timeout(); + waiter.wait(); + handle.reset_tp_timeout(); + if (cont) + cont = dstate->resume_clearing(); + if (!cont) + return false; + t = ObjectStore::Transaction(); + num = 0; + } + } + if (num) { + C_SaferCond waiter; + store->queue_transaction(osr, std::move(t), &waiter); + cont = dstate->pause_clearing(); + handle.suspend_tp_timeout(); + waiter.wait(); + handle.reset_tp_timeout(); + if (cont) + cont = dstate->resume_clearing(); + } + // whether there are more objects to remove in the collection + *finished = next.is_max(); + return cont; +} + +void OSD::RemoveWQ::_process( + pair item, + ThreadPool::TPHandle &handle) +{ + FUNCTRACE(); + PGRef pg(item.first); + SnapMapper &mapper = pg->snap_mapper; + OSDriver &driver = pg->osdriver; + coll_t coll = coll_t(pg->info.pgid); + pg->osr->flush(); + bool finished = false; + + if (!item.second->start_or_resume_clearing()) + return; + + bool cont = remove_dir( + pg->cct, store, &mapper, &driver, pg->osr.get(), coll, item.second, + &finished, handle); + if (!cont) + return; + if (!finished) { + if (item.second->pause_clearing()) + queue_front(item); + return; + } + + if (!item.second->start_deleting()) + return; + + ObjectStore::Transaction t; + PGLog::clear_info_log(pg->info.pgid, &t); + + if (cct->_conf->osd_inject_failure_on_pg_removal) { + generic_derr << "osd_inject_failure_on_pg_removal" << dendl; + _exit(1); + } + t.remove_collection(coll); + + // We need the sequencer to stick around until the op is complete + store->queue_transaction( + pg->osr.get(), + std::move(t), + 0, // onapplied + 0, // oncommit + 0, // onreadable sync + new ContainerContext(pg), + TrackedOpRef()); + + item.second->finish_deleting(); +} +// ========================================= + +void OSD::ms_handle_connect(Connection *con) +{ + dout(10) << __func__ << " con " << con << dendl; + if (con->get_peer_type() == CEPH_ENTITY_TYPE_MON) { + Mutex::Locker l(osd_lock); + if (is_stopping()) + return; + dout(10) << __func__ << " on mon" << dendl; + + if (is_preboot()) { + start_boot(); + } else if (is_booting()) { + _send_boot(); // resend boot message + } else { + map_lock.get_read(); + Mutex::Locker l2(mon_report_lock); + + utime_t now = ceph_clock_now(); + last_mon_report = now; + + // resend everything, it's a new session + send_full_update(); + send_alive(); + service.requeue_pg_temp(); + service.send_pg_temp(); + requeue_failures(); + send_failures(); + if (osdmap->require_osd_release < CEPH_RELEASE_LUMINOUS) { + send_pg_stats(now); + } + + map_lock.put_read(); + if (is_active()) { + send_beacon(ceph::coarse_mono_clock::now()); + } + } + + // full map requests may happen while active or pre-boot + if (requested_full_first) { + rerequest_full_maps(); + } + } +} + +void OSD::ms_handle_fast_connect(Connection *con) +{ + if (con->get_peer_type() != CEPH_ENTITY_TYPE_MON && + con->get_peer_type() != CEPH_ENTITY_TYPE_MGR) { + Session *s = static_cast(con->get_priv()); + if (!s) { + s = new Session(cct); + con->set_priv(s->get()); + s->con = con; + dout(10) << " new session (outgoing) " << s << " con=" << s->con + << " addr=" << s->con->get_peer_addr() << dendl; + // we don't connect to clients + assert(con->get_peer_type() == CEPH_ENTITY_TYPE_OSD); + s->entity_name.set_type(CEPH_ENTITY_TYPE_OSD); + } + s->put(); + } +} + +void OSD::ms_handle_fast_accept(Connection *con) +{ + if (con->get_peer_type() != CEPH_ENTITY_TYPE_MON && + con->get_peer_type() != CEPH_ENTITY_TYPE_MGR) { + Session *s = static_cast(con->get_priv()); + if (!s) { + s = new Session(cct); + con->set_priv(s->get()); + s->con = con; + dout(10) << "new session (incoming)" << s << " con=" << con + << " addr=" << con->get_peer_addr() + << " must have raced with connect" << dendl; + assert(con->get_peer_type() == CEPH_ENTITY_TYPE_OSD); + s->entity_name.set_type(CEPH_ENTITY_TYPE_OSD); + } + s->put(); + } +} + +bool OSD::ms_handle_reset(Connection *con) +{ + Session *session = static_cast(con->get_priv()); + dout(2) << "ms_handle_reset con " << con << " session " << session << dendl; + if (!session) + return false; + session->wstate.reset(con); + session->con.reset(NULL); // break con <-> session ref cycle + // note that we break session->con *before* the session_handle_reset + // cleanup below. this avoids a race between us and + // PG::add_backoff, Session::check_backoff, etc. + session_handle_reset(session); + session->put(); + return true; +} + +bool OSD::ms_handle_refused(Connection *con) +{ + if (!cct->_conf->osd_fast_fail_on_connection_refused) + return false; + + Session *session = static_cast(con->get_priv()); + dout(2) << "ms_handle_refused con " << con << " session " << session << dendl; + if (!session) + return false; + int type = con->get_peer_type(); + // handle only OSD failures here + if (monc && (type == CEPH_ENTITY_TYPE_OSD)) { + OSDMapRef osdmap = get_osdmap(); + if (osdmap) { + int id = osdmap->identify_osd_on_all_channels(con->get_peer_addr()); + if (id >= 0 && osdmap->is_up(id)) { + // I'm cheating mon heartbeat grace logic, because we know it's not going + // to respawn alone. +1 so we won't hit any boundary case. + monc->send_mon_message(new MOSDFailure(monc->get_fsid(), + osdmap->get_inst(id), + cct->_conf->osd_heartbeat_grace + 1, + osdmap->get_epoch(), + MOSDFailure::FLAG_IMMEDIATE | MOSDFailure::FLAG_FAILED + )); + } + } + } + session->put(); + return true; +} + +struct C_OSD_GetVersion : public Context { + OSD *osd; + uint64_t oldest, newest; + explicit C_OSD_GetVersion(OSD *o) : osd(o), oldest(0), newest(0) {} + void finish(int r) override { + if (r >= 0) + osd->_got_mon_epochs(oldest, newest); + } +}; + +void OSD::start_boot() +{ + if (!_is_healthy()) { + // if we are not healthy, do not mark ourselves up (yet) + dout(1) << "not healthy; waiting to boot" << dendl; + if (!is_waiting_for_healthy()) + start_waiting_for_healthy(); + // send pings sooner rather than later + heartbeat_kick(); + return; + } + dout(1) << __func__ << dendl; + set_state(STATE_PREBOOT); + waiting_for_luminous_mons = false; + dout(10) << "start_boot - have maps " << superblock.oldest_map + << ".." << superblock.newest_map << dendl; + C_OSD_GetVersion *c = new C_OSD_GetVersion(this); + monc->get_version("osdmap", &c->newest, &c->oldest, c); +} + +void OSD::_got_mon_epochs(epoch_t oldest, epoch_t newest) +{ + Mutex::Locker l(osd_lock); + if (is_preboot()) { + _preboot(oldest, newest); + } +} + +void OSD::_preboot(epoch_t oldest, epoch_t newest) +{ + assert(is_preboot()); + dout(10) << __func__ << " _preboot mon has osdmaps " + << oldest << ".." << newest << dendl; + + // ensure our local fullness awareness is accurate + heartbeat(); + + // if our map within recent history, try to add ourselves to the osdmap. + if (osdmap->get_epoch() == 0) { + derr << "waiting for initial osdmap" << dendl; + } else if (osdmap->is_destroyed(whoami)) { + derr << "osdmap says I am destroyed, exiting" << dendl; + exit(0); + } else if (osdmap->test_flag(CEPH_OSDMAP_NOUP) || osdmap->is_noup(whoami)) { + derr << "osdmap NOUP flag is set, waiting for it to clear" << dendl; + } else if (!osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE)) { + derr << "osdmap SORTBITWISE OSDMap flag is NOT set; please set it" + << dendl; + } else if (osdmap->require_osd_release < CEPH_RELEASE_JEWEL) { + derr << "osdmap REQUIRE_JEWEL OSDMap flag is NOT set; please set it" + << dendl; + } else if (!monc->monmap.get_required_features().contains_all( + ceph::features::mon::FEATURE_LUMINOUS)) { + derr << "monmap REQUIRE_LUMINOUS is NOT set; must upgrade all monitors to " + << "Luminous or later before Luminous OSDs will boot" << dendl; + waiting_for_luminous_mons = true; + } else if (service.need_fullness_update()) { + derr << "osdmap fullness state needs update" << dendl; + send_full_update(); + } else if (osdmap->get_epoch() >= oldest - 1 && + osdmap->get_epoch() + cct->_conf->osd_map_message_max > newest) { + _send_boot(); + return; + } + + // get all the latest maps + if (osdmap->get_epoch() + 1 >= oldest) + osdmap_subscribe(osdmap->get_epoch() + 1, false); + else + osdmap_subscribe(oldest - 1, true); +} + +void OSD::send_full_update() +{ + if (!service.need_fullness_update()) + return; + unsigned state = 0; + if (service.is_full()) { + state = CEPH_OSD_FULL; + } else if (service.is_backfillfull()) { + state = CEPH_OSD_BACKFILLFULL; + } else if (service.is_nearfull()) { + state = CEPH_OSD_NEARFULL; + } + set s; + OSDMap::calc_state_set(state, s); + dout(10) << __func__ << " want state " << s << dendl; + monc->send_mon_message(new MOSDFull(osdmap->get_epoch(), state)); +} + +void OSD::start_waiting_for_healthy() +{ + dout(1) << "start_waiting_for_healthy" << dendl; + set_state(STATE_WAITING_FOR_HEALTHY); + last_heartbeat_resample = utime_t(); + + // subscribe to osdmap updates, in case our peers really are known to be dead + osdmap_subscribe(osdmap->get_epoch() + 1, false); +} + +bool OSD::_is_healthy() +{ + if (!cct->get_heartbeat_map()->is_healthy()) { + dout(1) << "is_healthy false -- internal heartbeat failed" << dendl; + return false; + } + + if (is_waiting_for_healthy()) { + Mutex::Locker l(heartbeat_lock); + utime_t cutoff = ceph_clock_now(); + cutoff -= cct->_conf->osd_heartbeat_grace; + int num = 0, up = 0; + for (map::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) { + if (p->second.is_healthy(cutoff)) + ++up; + ++num; + } + if ((float)up < (float)num * cct->_conf->osd_heartbeat_min_healthy_ratio) { + dout(1) << "is_healthy false -- only " << up << "/" << num << " up peers (less than " + << int(cct->_conf->osd_heartbeat_min_healthy_ratio * 100.0) << "%)" << dendl; + return false; + } + } + + return true; +} + +void OSD::_send_boot() +{ + dout(10) << "_send_boot" << dendl; + entity_addr_t cluster_addr = cluster_messenger->get_myaddr(); + Connection *local_connection = cluster_messenger->get_loopback_connection().get(); + if (cluster_addr.is_blank_ip()) { + int port = cluster_addr.get_port(); + cluster_addr = client_messenger->get_myaddr(); + cluster_addr.set_port(port); + cluster_messenger->set_addr_unknowns(cluster_addr); + dout(10) << " assuming cluster_addr ip matches client_addr" << dendl; + } else { + Session *s = static_cast(local_connection->get_priv()); + if (s) + s->put(); + else + cluster_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + entity_addr_t hb_back_addr = hb_back_server_messenger->get_myaddr(); + local_connection = hb_back_server_messenger->get_loopback_connection().get(); + if (hb_back_addr.is_blank_ip()) { + int port = hb_back_addr.get_port(); + hb_back_addr = cluster_addr; + hb_back_addr.set_port(port); + hb_back_server_messenger->set_addr_unknowns(hb_back_addr); + dout(10) << " assuming hb_back_addr ip matches cluster_addr" << dendl; + } else { + Session *s = static_cast(local_connection->get_priv()); + if (s) + s->put(); + else + hb_back_server_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + entity_addr_t hb_front_addr = hb_front_server_messenger->get_myaddr(); + local_connection = hb_front_server_messenger->get_loopback_connection().get(); + if (hb_front_addr.is_blank_ip()) { + int port = hb_front_addr.get_port(); + hb_front_addr = client_messenger->get_myaddr(); + hb_front_addr.set_port(port); + hb_front_server_messenger->set_addr_unknowns(hb_front_addr); + dout(10) << " assuming hb_front_addr ip matches client_addr" << dendl; + } else { + Session *s = static_cast(local_connection->get_priv()); + if (s) + s->put(); + else + hb_front_server_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + MOSDBoot *mboot = new MOSDBoot(superblock, get_osdmap_epoch(), service.get_boot_epoch(), + hb_back_addr, hb_front_addr, cluster_addr, + CEPH_FEATURES_ALL); + dout(10) << " client_addr " << client_messenger->get_myaddr() + << ", cluster_addr " << cluster_addr + << ", hb_back_addr " << hb_back_addr + << ", hb_front_addr " << hb_front_addr + << dendl; + _collect_metadata(&mboot->metadata); + monc->send_mon_message(mboot); + set_state(STATE_BOOTING); +} + +void OSD::_collect_metadata(map *pm) +{ + // config info + (*pm)["osd_data"] = dev_path; + if (store->get_type() == "filestore") { + // not applicable for bluestore + (*pm)["osd_journal"] = journal_path; + } + (*pm)["front_addr"] = stringify(client_messenger->get_myaddr()); + (*pm)["back_addr"] = stringify(cluster_messenger->get_myaddr()); + (*pm)["hb_front_addr"] = stringify(hb_front_server_messenger->get_myaddr()); + (*pm)["hb_back_addr"] = stringify(hb_back_server_messenger->get_myaddr()); + + // backend + (*pm)["osd_objectstore"] = store->get_type(); + (*pm)["rotational"] = store_is_rotational ? "1" : "0"; + (*pm)["journal_rotational"] = journal_is_rotational ? "1" : "0"; + (*pm)["default_device_class"] = store->get_default_device_class(); + store->collect_metadata(pm); + + collect_sys_info(pm, cct); + + std::string front_iface, back_iface; + /* + pick_iface(cct, + CEPH_PICK_ADDRESS_PUBLIC | CEPH_PICK_ADDRESS_CLUSTER, + &front_iface, &back_iface); + */ + (*pm)["front_iface"] = pick_iface(cct, + client_messenger->get_myaddr().get_sockaddr_storage()); + (*pm)["back_iface"] = pick_iface(cct, + cluster_messenger->get_myaddr().get_sockaddr_storage()); + + dout(10) << __func__ << " " << *pm << dendl; +} + +void OSD::queue_want_up_thru(epoch_t want) +{ + map_lock.get_read(); + epoch_t cur = osdmap->get_up_thru(whoami); + Mutex::Locker l(mon_report_lock); + if (want > up_thru_wanted) { + dout(10) << "queue_want_up_thru now " << want << " (was " << up_thru_wanted << ")" + << ", currently " << cur + << dendl; + up_thru_wanted = want; + send_alive(); + } else { + dout(10) << "queue_want_up_thru want " << want << " <= queued " << up_thru_wanted + << ", currently " << cur + << dendl; + } + map_lock.put_read(); +} + +void OSD::send_alive() +{ + assert(mon_report_lock.is_locked()); + if (!osdmap->exists(whoami)) + return; + epoch_t up_thru = osdmap->get_up_thru(whoami); + dout(10) << "send_alive up_thru currently " << up_thru << " want " << up_thru_wanted << dendl; + if (up_thru_wanted > up_thru) { + dout(10) << "send_alive want " << up_thru_wanted << dendl; + monc->send_mon_message(new MOSDAlive(osdmap->get_epoch(), up_thru_wanted)); + } +} + +void OSD::request_full_map(epoch_t first, epoch_t last) +{ + dout(10) << __func__ << " " << first << ".." << last + << ", previously requested " + << requested_full_first << ".." << requested_full_last << dendl; + assert(osd_lock.is_locked()); + assert(first > 0 && last > 0); + assert(first <= last); + assert(first >= requested_full_first); // we shouldn't ever ask for older maps + if (requested_full_first == 0) { + // first request + requested_full_first = first; + requested_full_last = last; + } else if (last <= requested_full_last) { + // dup + return; + } else { + // additional request + first = requested_full_last + 1; + requested_full_last = last; + } + MMonGetOSDMap *req = new MMonGetOSDMap; + req->request_full(first, last); + monc->send_mon_message(req); +} + +void OSD::got_full_map(epoch_t e) +{ + assert(requested_full_first <= requested_full_last); + assert(osd_lock.is_locked()); + if (requested_full_first == 0) { + dout(20) << __func__ << " " << e << ", nothing requested" << dendl; + return; + } + if (e < requested_full_first) { + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last + << ", ignoring" << dendl; + return; + } + if (e >= requested_full_last) { + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last << ", resetting" << dendl; + requested_full_first = requested_full_last = 0; + return; + } + + requested_full_first = e + 1; + + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last + << ", still need more" << dendl; +} + +void OSD::requeue_failures() +{ + Mutex::Locker l(heartbeat_lock); + unsigned old_queue = failure_queue.size(); + unsigned old_pending = failure_pending.size(); + for (map >::iterator p = + failure_pending.begin(); + p != failure_pending.end(); ) { + failure_queue[p->first] = p->second.first; + failure_pending.erase(p++); + } + dout(10) << __func__ << " " << old_queue << " + " << old_pending << " -> " + << failure_queue.size() << dendl; +} + +void OSD::send_failures() +{ + assert(map_lock.is_locked()); + assert(mon_report_lock.is_locked()); + Mutex::Locker l(heartbeat_lock); + utime_t now = ceph_clock_now(); + while (!failure_queue.empty()) { + int osd = failure_queue.begin()->first; + if (!failure_pending.count(osd)) { + entity_inst_t i = osdmap->get_inst(osd); + int failed_for = (int)(double)(now - failure_queue.begin()->second); + monc->send_mon_message(new MOSDFailure(monc->get_fsid(), i, failed_for, + osdmap->get_epoch())); + failure_pending[osd] = make_pair(failure_queue.begin()->second, i); + } + failure_queue.erase(osd); + } +} + +void OSD::send_still_alive(epoch_t epoch, const entity_inst_t &i) +{ + MOSDFailure *m = new MOSDFailure(monc->get_fsid(), i, 0, epoch, MOSDFailure::FLAG_ALIVE); + monc->send_mon_message(m); +} + +void OSD::send_pg_stats(const utime_t &now) +{ + assert(map_lock.is_locked()); + assert(osdmap->require_osd_release < CEPH_RELEASE_LUMINOUS); + dout(20) << "send_pg_stats" << dendl; + + osd_stat_t cur_stat = service.get_osd_stat(); + + cur_stat.os_perf_stat = store->get_cur_stats(); + + pg_stat_queue_lock.Lock(); + + if (osd_stat_updated || !pg_stat_queue.empty()) { + last_pg_stats_sent = now; + osd_stat_updated = false; + + dout(10) << "send_pg_stats - " << pg_stat_queue.size() << " pgs updated" << dendl; + + utime_t had_for(now); + had_for -= had_map_since; + + MPGStats *m = new MPGStats(monc->get_fsid(), osdmap->get_epoch(), had_for); + + uint64_t tid = ++pg_stat_tid; + m->set_tid(tid); + m->osd_stat = cur_stat; + + xlist::iterator p = pg_stat_queue.begin(); + while (!p.end()) { + PG *pg = *p; + ++p; + if (!pg->is_primary()) { // we hold map_lock; role is stable. + pg->stat_queue_item.remove_myself(); + pg->put("pg_stat_queue"); + continue; + } + pg->pg_stats_publish_lock.Lock(); + if (pg->pg_stats_publish_valid) { + m->pg_stat[pg->info.pgid.pgid] = pg->pg_stats_publish; + dout(25) << " sending " << pg->info.pgid << " " << pg->pg_stats_publish.reported_epoch << ":" + << pg->pg_stats_publish.reported_seq << dendl; + } else { + dout(25) << " NOT sending " << pg->info.pgid << " " << pg->pg_stats_publish.reported_epoch << ":" + << pg->pg_stats_publish.reported_seq << ", not valid" << dendl; + } + pg->pg_stats_publish_lock.Unlock(); + } + + if (last_pg_stats_ack == utime_t() || !outstanding_pg_stats.empty()) { + last_pg_stats_ack = ceph_clock_now(); + } + outstanding_pg_stats.insert(tid); + dout(20) << __func__ << " updates pending: " << outstanding_pg_stats << dendl; + + monc->send_mon_message(m); + } + + pg_stat_queue_lock.Unlock(); +} + +void OSD::handle_pg_stats_ack(MPGStatsAck *ack) +{ + dout(10) << "handle_pg_stats_ack " << dendl; + + if (!require_mon_peer(ack)) { + ack->put(); + return; + } + + // NOTE: we may get replies from a previous mon even while + // outstanding_pg_stats is empty if reconnecting races with replies + // in flight. + + pg_stat_queue_lock.Lock(); + + last_pg_stats_ack = ceph_clock_now(); + + // decay timeout slowly (analogous to TCP) + stats_ack_timeout = + MAX(cct->_conf->osd_mon_ack_timeout, + stats_ack_timeout * cct->_conf->osd_stats_ack_timeout_decay); + dout(20) << __func__ << " timeout now " << stats_ack_timeout << dendl; + + if (ack->get_tid() > pg_stat_tid_flushed) { + pg_stat_tid_flushed = ack->get_tid(); + pg_stat_queue_cond.Signal(); + } + + xlist::iterator p = pg_stat_queue.begin(); + while (!p.end()) { + PG *pg = *p; + PGRef _pg(pg); + ++p; + + auto acked = ack->pg_stat.find(pg->info.pgid.pgid); + if (acked != ack->pg_stat.end()) { + pg->pg_stats_publish_lock.Lock(); + if (acked->second.first == pg->pg_stats_publish.reported_seq && + acked->second.second == pg->pg_stats_publish.reported_epoch) { + dout(25) << " ack on " << pg->info.pgid << " " << pg->pg_stats_publish.reported_epoch + << ":" << pg->pg_stats_publish.reported_seq << dendl; + pg->stat_queue_item.remove_myself(); + pg->put("pg_stat_queue"); + } else { + dout(25) << " still pending " << pg->info.pgid << " " << pg->pg_stats_publish.reported_epoch + << ":" << pg->pg_stats_publish.reported_seq << " > acked " + << acked->second << dendl; + } + pg->pg_stats_publish_lock.Unlock(); + } else { + dout(30) << " still pending " << pg->info.pgid << " " << pg->pg_stats_publish.reported_epoch + << ":" << pg->pg_stats_publish.reported_seq << dendl; + } + } + + outstanding_pg_stats.erase(ack->get_tid()); + dout(20) << __func__ << " still pending: " << outstanding_pg_stats << dendl; + + pg_stat_queue_lock.Unlock(); + + ack->put(); +} + +void OSD::flush_pg_stats() +{ + dout(10) << "flush_pg_stats" << dendl; + osd_lock.Unlock(); + utime_t now = ceph_clock_now(); + map_lock.get_read(); + mon_report_lock.Lock(); + send_pg_stats(now); + mon_report_lock.Unlock(); + map_lock.put_read(); + + + pg_stat_queue_lock.Lock(); + uint64_t tid = pg_stat_tid; + dout(10) << "flush_pg_stats waiting for stats tid " << tid << " to flush" << dendl; + while (tid > pg_stat_tid_flushed) + pg_stat_queue_cond.Wait(pg_stat_queue_lock); + dout(10) << "flush_pg_stats finished waiting for stats tid " << tid << " to flush" << dendl; + pg_stat_queue_lock.Unlock(); + + osd_lock.Lock(); +} + +void OSD::send_beacon(const ceph::coarse_mono_clock::time_point& now) +{ + const auto& monmap = monc->monmap; + // send beacon to mon even if we are just connected, and the monmap is not + // initialized yet by then. + if (monmap.epoch > 0 && + monmap.get_required_features().contains_all( + ceph::features::mon::FEATURE_LUMINOUS)) { + dout(20) << __func__ << " sending" << dendl; + MOSDBeacon* beacon = nullptr; + { + Mutex::Locker l{min_last_epoch_clean_lock}; + beacon = new MOSDBeacon(osdmap->get_epoch(), min_last_epoch_clean); + std::swap(beacon->pgs, min_last_epoch_clean_pgs); + last_sent_beacon = now; + } + monc->send_mon_message(beacon); + } else { + dout(20) << __func__ << " not sending" << dendl; + } +} + +void OSD::handle_command(MMonCommand *m) +{ + if (!require_mon_peer(m)) { + m->put(); + return; + } + + Command *c = new Command(m->cmd, m->get_tid(), m->get_data(), NULL); + command_wq.queue(c); + m->put(); +} + +void OSD::handle_command(MCommand *m) +{ + ConnectionRef con = m->get_connection(); + Session *session = static_cast(con->get_priv()); + if (!session) { + con->send_message(new MCommandReply(m, -EPERM)); + m->put(); + return; + } + + OSDCap& caps = session->caps; + session->put(); + + if (!caps.allow_all() || m->get_source().is_mon()) { + con->send_message(new MCommandReply(m, -EPERM)); + m->put(); + return; + } + + Command *c = new Command(m->cmd, m->get_tid(), m->get_data(), con.get()); + command_wq.queue(c); + + m->put(); +} + +struct OSDCommand { + string cmdstring; + string helpstring; + string module; + string perm; + string availability; +} osd_commands[] = { + +#define COMMAND(parsesig, helptext, module, perm, availability) \ + {parsesig, helptext, module, perm, availability}, + +// yes, these are really pg commands, but there's a limit to how +// much work it's worth. The OSD returns all of them. Make this +// form (pg ) valid only for the cli. +// Rest uses "tell " + +COMMAND("pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=query", \ + "show details of a specific pg", "osd", "r", "cli") +COMMAND("pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=mark_unfound_lost " \ + "name=mulcmd,type=CephChoices,strings=revert|delete", \ + "mark all unfound objects in this pg as lost, either removing or reverting to a prior version if one is available", + "osd", "rw", "cli") +COMMAND("pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=list_missing " \ + "name=offset,type=CephString,req=false", + "list missing objects on this pg, perhaps starting at an offset given in JSON", + "osd", "r", "cli") + +// new form: tell for both cli and rest + +COMMAND("query", + "show details of a specific pg", "osd", "r", "cli,rest") +COMMAND("mark_unfound_lost " \ + "name=mulcmd,type=CephChoices,strings=revert|delete", \ + "mark all unfound objects in this pg as lost, either removing or reverting to a prior version if one is available", + "osd", "rw", "cli,rest") +COMMAND("list_missing " \ + "name=offset,type=CephString,req=false", + "list missing objects on this pg, perhaps starting at an offset given in JSON", + "osd", "r", "cli,rest") +COMMAND("perf histogram dump " + "name=logger,type=CephString,req=false " + "name=counter,type=CephString,req=false", + "Get histogram data", + "osd", "r", "cli,rest") + +// tell commands. Validation of osd.n must be special-cased in client +COMMAND("version", "report version of OSD", "osd", "r", "cli,rest") +COMMAND("get_command_descriptions", "list commands descriptions", "osd", "r", "cli,rest") +COMMAND("injectargs " \ + "name=injected_args,type=CephString,n=N", + "inject configuration arguments into running OSD", + "osd", "rw", "cli,rest") +COMMAND("config set " \ + "name=key,type=CephString name=value,type=CephString", + "Set a configuration option at runtime (not persistent)", + "osd", "rw", "cli,rest") +COMMAND("cluster_log " \ + "name=level,type=CephChoices,strings=error,warning,info,debug " \ + "name=message,type=CephString,n=N", + "log a message to the cluster log", + "osd", "rw", "cli,rest") +COMMAND("bench " \ + "name=count,type=CephInt,req=false " \ + "name=size,type=CephInt,req=false " \ + "name=object_size,type=CephInt,req=false " \ + "name=object_num,type=CephInt,req=false ", \ + "OSD benchmark: write -byte objects, " \ + "(default 1G size 4MB). Results in log.", + "osd", "rw", "cli,rest") +COMMAND("flush_pg_stats", "flush pg stats", "osd", "rw", "cli,rest") +COMMAND("heap " \ + "name=heapcmd,type=CephChoices,strings=dump|start_profiler|stop_profiler|release|stats", \ + "show heap usage info (available only if compiled with tcmalloc)", \ + "osd", "rw", "cli,rest") +COMMAND("debug dump_missing " \ + "name=filename,type=CephFilepath", + "dump missing objects to a named file", "osd", "r", "cli,rest") +COMMAND("debug kick_recovery_wq " \ + "name=delay,type=CephInt,range=0", + "set osd_recovery_delay_start to ", "osd", "rw", "cli,rest") +COMMAND("cpu_profiler " \ + "name=arg,type=CephChoices,strings=status|flush", + "run cpu profiling on daemon", "osd", "rw", "cli,rest") +COMMAND("dump_pg_recovery_stats", "dump pg recovery statistics", + "osd", "r", "cli,rest") +COMMAND("reset_pg_recovery_stats", "reset pg recovery statistics", + "osd", "rw", "cli,rest") +COMMAND("compact", + "compact object store's omap. " + "WARNING: Compaction probably slows your requests", + "osd", "rw", "cli,rest") +}; + +void OSD::do_command(Connection *con, ceph_tid_t tid, vector& cmd, bufferlist& data) +{ + int r = 0; + stringstream ss, ds; + string rs; + bufferlist odata; + + dout(20) << "do_command tid " << tid << " " << cmd << dendl; + + map cmdmap; + string prefix; + string format; + string pgidstr; + boost::scoped_ptr f; + + if (cmd.empty()) { + ss << "no command given"; + goto out; + } + + if (!cmdmap_from_json(cmd, &cmdmap, ss)) { + r = -EINVAL; + goto out; + } + + cmd_getval(cct, cmdmap, "prefix", prefix); + + if (prefix == "get_command_descriptions") { + int cmdnum = 0; + JSONFormatter *f = new JSONFormatter(); + f->open_object_section("command_descriptions"); + for (OSDCommand *cp = osd_commands; + cp < &osd_commands[ARRAY_SIZE(osd_commands)]; cp++) { + + ostringstream secname; + secname << "cmd" << setfill('0') << std::setw(3) << cmdnum; + dump_cmddesc_to_json(f, secname.str(), cp->cmdstring, cp->helpstring, + cp->module, cp->perm, cp->availability, 0); + cmdnum++; + } + f->close_section(); // command_descriptions + + f->flush(ds); + delete f; + goto out; + } + + cmd_getval(cct, cmdmap, "format", format); + f.reset(Formatter::create(format)); + + if (prefix == "version") { + if (f) { + f->open_object_section("version"); + f->dump_string("version", pretty_version_to_str()); + f->close_section(); + f->flush(ds); + } else { + ds << pretty_version_to_str(); + } + goto out; + } + else if (prefix == "injectargs") { + vector argsvec; + cmd_getval(cct, cmdmap, "injected_args", argsvec); + + if (argsvec.empty()) { + r = -EINVAL; + ss << "ignoring empty injectargs"; + goto out; + } + string args = argsvec.front(); + for (vector::iterator a = ++argsvec.begin(); a != argsvec.end(); ++a) + args += " " + *a; + osd_lock.Unlock(); + r = cct->_conf->injectargs(args, &ss); + osd_lock.Lock(); + } + else if (prefix == "config set") { + std::string key; + std::string val; + cmd_getval(cct, cmdmap, "key", key); + cmd_getval(cct, cmdmap, "value", val); + osd_lock.Unlock(); + r = cct->_conf->set_val(key, val, true, &ss); + if (r == 0) { + cct->_conf->apply_changes(nullptr); + } + osd_lock.Lock(); + } + else if (prefix == "cluster_log") { + vector msg; + cmd_getval(cct, cmdmap, "message", msg); + if (msg.empty()) { + r = -EINVAL; + ss << "ignoring empty log message"; + goto out; + } + string message = msg.front(); + for (vector::iterator a = ++msg.begin(); a != msg.end(); ++a) + message += " " + *a; + string lvl; + cmd_getval(cct, cmdmap, "level", lvl); + clog_type level = string_to_clog_type(lvl); + if (level < 0) { + r = -EINVAL; + ss << "unknown level '" << lvl << "'"; + goto out; + } + clog->do_log(level, message); + } + + // either 'pg ' or + // 'tell ' (which comes in without any of that prefix)? + + else if (prefix == "pg" || + prefix == "query" || + prefix == "mark_unfound_lost" || + prefix == "list_missing" + ) { + pg_t pgid; + + if (!cmd_getval(cct, cmdmap, "pgid", pgidstr)) { + ss << "no pgid specified"; + r = -EINVAL; + } else if (!pgid.parse(pgidstr.c_str())) { + ss << "couldn't parse pgid '" << pgidstr << "'"; + r = -EINVAL; + } else { + spg_t pcand; + PG *pg = nullptr; + if (osdmap->get_primary_shard(pgid, &pcand) && + (pg = _lookup_lock_pg(pcand))) { + if (pg->is_primary()) { + // simulate pg cmd= for pg->do-command + if (prefix != "pg") + cmd_putval(cct, cmdmap, "cmd", prefix); + r = pg->do_command(cmdmap, ss, data, odata, con, tid); + if (r == -EAGAIN) { + pg->unlock(); + // don't reply, pg will do so async + return; + } + } else { + ss << "not primary for pgid " << pgid; + + // send them the latest diff to ensure they realize the mapping + // has changed. + service.send_incremental_map(osdmap->get_epoch() - 1, con, osdmap); + + // do not reply; they will get newer maps and realize they + // need to resend. + pg->unlock(); + return; + } + pg->unlock(); + } else { + ss << "i don't have pgid " << pgid; + r = -ENOENT; + } + } + } + + else if (prefix == "bench") { + int64_t count; + int64_t bsize; + int64_t osize, onum; + // default count 1G, size 4MB + cmd_getval(cct, cmdmap, "count", count, (int64_t)1 << 30); + cmd_getval(cct, cmdmap, "size", bsize, (int64_t)4 << 20); + cmd_getval(cct, cmdmap, "object_size", osize, (int64_t)0); + cmd_getval(cct, cmdmap, "object_num", onum, (int64_t)0); + + ceph::shared_ptr osr (std::make_shared< + ObjectStore::Sequencer>("bench")); + + uint32_t duration = cct->_conf->osd_bench_duration; + + if (bsize > (int64_t) cct->_conf->osd_bench_max_block_size) { + // let us limit the block size because the next checks rely on it + // having a sane value. If we allow any block size to be set things + // can still go sideways. + ss << "block 'size' values are capped at " + << prettybyte_t(cct->_conf->osd_bench_max_block_size) << ". If you wish to use" + << " a higher value, please adjust 'osd_bench_max_block_size'"; + r = -EINVAL; + goto out; + } else if (bsize < (int64_t) (1 << 20)) { + // entering the realm of small block sizes. + // limit the count to a sane value, assuming a configurable amount of + // IOPS and duration, so that the OSD doesn't get hung up on this, + // preventing timeouts from going off + int64_t max_count = + bsize * duration * cct->_conf->osd_bench_small_size_max_iops; + if (count > max_count) { + ss << "'count' values greater than " << max_count + << " for a block size of " << prettybyte_t(bsize) << ", assuming " + << cct->_conf->osd_bench_small_size_max_iops << " IOPS," + << " for " << duration << " seconds," + << " can cause ill effects on osd. " + << " Please adjust 'osd_bench_small_size_max_iops' with a higher" + << " value if you wish to use a higher 'count'."; + r = -EINVAL; + goto out; + } + } else { + // 1MB block sizes are big enough so that we get more stuff done. + // However, to avoid the osd from getting hung on this and having + // timers being triggered, we are going to limit the count assuming + // a configurable throughput and duration. + // NOTE: max_count is the total amount of bytes that we believe we + // will be able to write during 'duration' for the given + // throughput. The block size hardly impacts this unless it's + // way too big. Given we already check how big the block size + // is, it's safe to assume everything will check out. + int64_t max_count = + cct->_conf->osd_bench_large_size_max_throughput * duration; + if (count > max_count) { + ss << "'count' values greater than " << max_count + << " for a block size of " << prettybyte_t(bsize) << ", assuming " + << prettybyte_t(cct->_conf->osd_bench_large_size_max_throughput) << "/s," + << " for " << duration << " seconds," + << " can cause ill effects on osd. " + << " Please adjust 'osd_bench_large_size_max_throughput'" + << " with a higher value if you wish to use a higher 'count'."; + r = -EINVAL; + goto out; + } + } + + if (osize && bsize > osize) + bsize = osize; + + dout(1) << " bench count " << count + << " bsize " << prettybyte_t(bsize) << dendl; + + ObjectStore::Transaction cleanupt; + + if (osize && onum) { + bufferlist bl; + bufferptr bp(osize); + bp.zero(); + bl.push_back(std::move(bp)); + bl.rebuild_page_aligned(); + for (int i=0; iqueue_transaction(osr.get(), std::move(t), NULL); + cleanupt.remove(coll_t(), ghobject_t(soid)); + } + } + + bufferlist bl; + bufferptr bp(bsize); + bp.zero(); + bl.push_back(std::move(bp)); + bl.rebuild_page_aligned(); + + { + C_SaferCond waiter; + if (!osr->flush_commit(&waiter)) { + waiter.wait(); + } + } + + utime_t start = ceph_clock_now(); + for (int64_t pos = 0; pos < count; pos += bsize) { + char nm[30]; + unsigned offset = 0; + if (onum && osize) { + snprintf(nm, sizeof(nm), "disk_bw_test_%d", (int)(rand() % onum)); + offset = rand() % (osize / bsize) * bsize; + } else { + snprintf(nm, sizeof(nm), "disk_bw_test_%lld", (long long)pos); + } + object_t oid(nm); + hobject_t soid(sobject_t(oid, 0)); + ObjectStore::Transaction t; + t.write(coll_t::meta(), ghobject_t(soid), offset, bsize, bl); + store->queue_transaction(osr.get(), std::move(t), NULL); + if (!onum || !osize) + cleanupt.remove(coll_t::meta(), ghobject_t(soid)); + } + + { + C_SaferCond waiter; + if (!osr->flush_commit(&waiter)) { + waiter.wait(); + } + } + utime_t end = ceph_clock_now(); + + // clean up + store->queue_transaction(osr.get(), std::move(cleanupt), NULL); + { + C_SaferCond waiter; + if (!osr->flush_commit(&waiter)) { + waiter.wait(); + } + } + + uint64_t rate = (double)count / (end - start); + if (f) { + f->open_object_section("osd_bench_results"); + f->dump_int("bytes_written", count); + f->dump_int("blocksize", bsize); + f->dump_unsigned("bytes_per_sec", rate); + f->close_section(); + f->flush(ss); + } else { + ss << "bench: wrote " << prettybyte_t(count) + << " in blocks of " << prettybyte_t(bsize) << " in " + << (end-start) << " sec at " << prettybyte_t(rate) << "/sec"; + } + } + + else if (prefix == "flush_pg_stats") { + if (osdmap->require_osd_release >= CEPH_RELEASE_LUMINOUS) { + mgrc.send_pgstats(); + ds << service.get_osd_stat_seq() << "\n"; + } else { + flush_pg_stats(); + } + } + + else if (prefix == "heap") { + r = ceph::osd_cmds::heap(*cct, cmdmap, *f, ds); + } + + else if (prefix == "debug dump_missing") { + string file_name; + cmd_getval(cct, cmdmap, "filename", file_name); + std::ofstream fout(file_name.c_str()); + if (!fout.is_open()) { + ss << "failed to open file '" << file_name << "'"; + r = -EINVAL; + goto out; + } + + fout << "*** osd " << whoami << ": dump_missing ***" << std::endl; + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::const_iterator pg_map_e = pg_map.begin(); + pg_map_e != pg_map.end(); ++pg_map_e) { + PG *pg = pg_map_e->second; + pg->lock(); + + fout << *pg << std::endl; + std::map::const_iterator mend = + pg->pg_log.get_missing().get_items().end(); + std::map::const_iterator mi = + pg->pg_log.get_missing().get_items().begin(); + for (; mi != mend; ++mi) { + fout << mi->first << " -> " << mi->second << std::endl; + if (!pg->missing_loc.needs_recovery(mi->first)) + continue; + if (pg->missing_loc.is_unfound(mi->first)) + fout << " unfound "; + const set &mls(pg->missing_loc.get_locations(mi->first)); + if (mls.empty()) + continue; + fout << "missing_loc: " << mls << std::endl; + } + pg->unlock(); + fout << std::endl; + } + + fout.close(); + } + else if (prefix == "debug kick_recovery_wq") { + int64_t delay; + cmd_getval(cct, cmdmap, "delay", delay); + ostringstream oss; + oss << delay; + r = cct->_conf->set_val("osd_recovery_delay_start", oss.str().c_str()); + if (r != 0) { + ss << "kick_recovery_wq: error setting " + << "osd_recovery_delay_start to '" << delay << "': error " + << r; + goto out; + } + cct->_conf->apply_changes(NULL); + ss << "kicking recovery queue. set osd_recovery_delay_start " + << "to " << cct->_conf->osd_recovery_delay_start; + } + + else if (prefix == "cpu_profiler") { + string arg; + cmd_getval(cct, cmdmap, "arg", arg); + vector argvec; + get_str_vec(arg, argvec); + cpu_profiler_handle_command(argvec, ds); + } + + else if (prefix == "dump_pg_recovery_stats") { + stringstream s; + if (f) { + pg_recovery_stats.dump_formatted(f.get()); + f->flush(ds); + } else { + pg_recovery_stats.dump(s); + ds << "dump pg recovery stats: " << s.str(); + } + } + + else if (prefix == "reset_pg_recovery_stats") { + ss << "reset pg recovery stats"; + pg_recovery_stats.reset(); + } + + else if (prefix == "perf histogram dump") { + std::string logger; + std::string counter; + cmd_getval(cct, cmdmap, "logger", logger); + cmd_getval(cct, cmdmap, "counter", counter); + if (f) { + cct->get_perfcounters_collection()->dump_formatted_histograms( + f.get(), false, logger, counter); + f->flush(ds); + } + } + + else if (prefix == "compact") { + dout(1) << "triggering manual compaction" << dendl; + auto start = ceph::coarse_mono_clock::now(); + store->compact(); + auto end = ceph::coarse_mono_clock::now(); + auto time_span = chrono::duration_cast>(end - start); + dout(1) << "finished manual compaction in " + << time_span.count() + << " seconds" << dendl; + ss << "compacted omap in " << time_span.count() << " seconds"; + } + + else { + ss << "unrecognized command! " << cmd; + r = -EINVAL; + } + + out: + rs = ss.str(); + odata.append(ds); + dout(0) << "do_command r=" << r << " " << rs << dendl; + clog->info() << rs; + if (con) { + MCommandReply *reply = new MCommandReply(r, rs); + reply->set_tid(tid); + reply->set_data(odata); + con->send_message(reply); + } +} + +bool OSD::heartbeat_dispatch(Message *m) +{ + dout(30) << "heartbeat_dispatch " << m << dendl; + switch (m->get_type()) { + + case CEPH_MSG_PING: + dout(10) << "ping from " << m->get_source_inst() << dendl; + m->put(); + break; + + case MSG_OSD_PING: + handle_osd_ping(static_cast(m)); + break; + + default: + dout(0) << "dropping unexpected message " << *m << " from " << m->get_source_inst() << dendl; + m->put(); + } + + return true; +} + +bool OSD::ms_dispatch(Message *m) +{ + dout(20) << "OSD::ms_dispatch: " << *m << dendl; + if (m->get_type() == MSG_OSD_MARK_ME_DOWN) { + service.got_stop_ack(); + m->put(); + return true; + } + + // lock! + + osd_lock.Lock(); + if (is_stopping()) { + osd_lock.Unlock(); + m->put(); + return true; + } + + do_waiters(); + _dispatch(m); + + osd_lock.Unlock(); + + return true; +} + +void OSD::maybe_share_map( + Session *session, + OpRequestRef op, + OSDMapRef osdmap) +{ + if (!op->check_send_map) { + return; + } + epoch_t last_sent_epoch = 0; + + session->sent_epoch_lock.lock(); + last_sent_epoch = session->last_sent_epoch; + session->sent_epoch_lock.unlock(); + + const Message *m = op->get_req(); + service.share_map( + m->get_source(), + m->get_connection().get(), + op->sent_epoch, + osdmap, + session ? &last_sent_epoch : NULL); + + session->sent_epoch_lock.lock(); + if (session->last_sent_epoch < last_sent_epoch) { + session->last_sent_epoch = last_sent_epoch; + } + session->sent_epoch_lock.unlock(); + + op->check_send_map = false; +} + +void OSD::dispatch_session_waiting(Session *session, OSDMapRef osdmap) +{ + assert(session->session_dispatch_lock.is_locked()); + + auto i = session->waiting_on_map.begin(); + while (i != session->waiting_on_map.end()) { + OpRequestRef op = &(*i); + assert(ms_can_fast_dispatch(op->get_req())); + const MOSDFastDispatchOp *m = static_cast( + op->get_req()); + if (m->get_min_epoch() > osdmap->get_epoch()) { + break; + } + session->waiting_on_map.erase(i++); + op->put(); + + spg_t pgid; + if (m->get_type() == CEPH_MSG_OSD_OP) { + pg_t actual_pgid = osdmap->raw_pg_to_pg( + static_cast(m)->get_pg()); + if (!osdmap->get_primary_shard(actual_pgid, &pgid)) { + continue; + } + } else { + pgid = m->get_spg(); + } + enqueue_op(pgid, op, m->get_map_epoch()); + } + + if (session->waiting_on_map.empty()) { + clear_session_waiting_on_map(session); + } else { + register_session_waiting_on_map(session); + } +} + +void OSD::ms_fast_dispatch(Message *m) +{ + FUNCTRACE(); + if (service.is_stopping()) { + m->put(); + return; + } + OpRequestRef op = op_tracker.create_request(m); + { +#ifdef WITH_LTTNG + osd_reqid_t reqid = op->get_reqid(); +#endif + tracepoint(osd, ms_fast_dispatch, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + + if (m->trace) + op->osd_trace.init("osd op", &trace_endpoint, &m->trace); + + // note sender epoch, min req'd epoch + op->sent_epoch = static_cast(m)->get_map_epoch(); + op->min_epoch = static_cast(m)->get_min_epoch(); + assert(op->min_epoch <= op->sent_epoch); // sanity check! + + service.maybe_inject_dispatch_delay(); + + if (m->get_connection()->has_features(CEPH_FEATUREMASK_RESEND_ON_SPLIT) || + m->get_type() != CEPH_MSG_OSD_OP) { + // queue it directly + enqueue_op( + static_cast(m)->get_spg(), + op, + static_cast(m)->get_map_epoch()); + } else { + // legacy client, and this is an MOSDOp (the *only* fast dispatch + // message that didn't have an explicit spg_t); we need to map + // them to an spg_t while preserving delivery order. + Session *session = static_cast(m->get_connection()->get_priv()); + if (session) { + { + Mutex::Locker l(session->session_dispatch_lock); + op->get(); + session->waiting_on_map.push_back(*op); + OSDMapRef nextmap = service.get_nextmap_reserved(); + dispatch_session_waiting(session, nextmap); + service.release_map(nextmap); + } + session->put(); + } + } + OID_EVENT_TRACE_WITH_MSG(m, "MS_FAST_DISPATCH_END", false); +} + +void OSD::ms_fast_preprocess(Message *m) +{ + if (m->get_connection()->get_peer_type() == CEPH_ENTITY_TYPE_OSD) { + if (m->get_type() == CEPH_MSG_OSD_MAP) { + MOSDMap *mm = static_cast(m); + Session *s = static_cast(m->get_connection()->get_priv()); + if (s) { + s->received_map_lock.lock(); + s->received_map_epoch = mm->get_last(); + s->received_map_lock.unlock(); + s->put(); + } + } + } +} + +bool OSD::ms_get_authorizer(int dest_type, AuthAuthorizer **authorizer, bool force_new) +{ + dout(10) << "OSD::ms_get_authorizer type=" << ceph_entity_type_name(dest_type) << dendl; + + if (is_stopping()) { + dout(10) << __func__ << " bailing, we are shutting down" << dendl; + return false; + } + + if (dest_type == CEPH_ENTITY_TYPE_MON) + return true; + + if (force_new) { + /* the MonClient checks keys every tick(), so we should just wait for that cycle + to get through */ + if (monc->wait_auth_rotating(10) < 0) { + derr << "OSD::ms_get_authorizer wait_auth_rotating failed" << dendl; + return false; + } + } + + *authorizer = monc->build_authorizer(dest_type); + return *authorizer != NULL; +} + + +bool OSD::ms_verify_authorizer(Connection *con, int peer_type, + int protocol, bufferlist& authorizer_data, bufferlist& authorizer_reply, + bool& isvalid, CryptoKey& session_key) +{ + AuthAuthorizeHandler *authorize_handler = 0; + switch (peer_type) { + case CEPH_ENTITY_TYPE_MDS: + /* + * note: mds is technically a client from our perspective, but + * this makes the 'cluster' consistent w/ monitor's usage. + */ + case CEPH_ENTITY_TYPE_OSD: + case CEPH_ENTITY_TYPE_MGR: + authorize_handler = authorize_handler_cluster_registry->get_handler(protocol); + break; + default: + authorize_handler = authorize_handler_service_registry->get_handler(protocol); + } + if (!authorize_handler) { + dout(0) << "No AuthAuthorizeHandler found for protocol " << protocol << dendl; + isvalid = false; + return true; + } + + AuthCapsInfo caps_info; + EntityName name; + uint64_t global_id; + uint64_t auid = CEPH_AUTH_UID_DEFAULT; + + RotatingKeyRing *keys = monc->rotating_secrets.get(); + if (keys) { + isvalid = authorize_handler->verify_authorizer( + cct, keys, + authorizer_data, authorizer_reply, name, global_id, caps_info, session_key, + &auid); + } else { + dout(10) << __func__ << " no rotating_keys (yet), denied" << dendl; + isvalid = false; + } + + if (isvalid) { + Session *s = static_cast(con->get_priv()); + if (!s) { + s = new Session(cct); + con->set_priv(s->get()); + s->con = con; + dout(10) << " new session " << s << " con=" << s->con << " addr=" << s->con->get_peer_addr() << dendl; + } + + s->entity_name = name; + if (caps_info.allow_all) + s->caps.set_allow_all(); + s->auid = auid; + + if (caps_info.caps.length() > 0) { + bufferlist::iterator p = caps_info.caps.begin(); + string str; + try { + ::decode(str, p); + } + catch (buffer::error& e) { + } + bool success = s->caps.parse(str); + if (success) + dout(10) << " session " << s << " " << s->entity_name << " has caps " << s->caps << " '" << str << "'" << dendl; + else + dout(10) << " session " << s << " " << s->entity_name << " failed to parse caps '" << str << "'" << dendl; + } + + s->put(); + } + return true; +} + +void OSD::do_waiters() +{ + assert(osd_lock.is_locked()); + + dout(10) << "do_waiters -- start" << dendl; + while (!finished.empty()) { + OpRequestRef next = finished.front(); + finished.pop_front(); + dispatch_op(next); + } + dout(10) << "do_waiters -- finish" << dendl; +} + +void OSD::dispatch_op(OpRequestRef op) +{ + switch (op->get_req()->get_type()) { + + case MSG_OSD_PG_CREATE: + handle_pg_create(op); + break; + case MSG_OSD_PG_NOTIFY: + handle_pg_notify(op); + break; + case MSG_OSD_PG_QUERY: + handle_pg_query(op); + break; + case MSG_OSD_PG_LOG: + handle_pg_log(op); + break; + case MSG_OSD_PG_REMOVE: + handle_pg_remove(op); + break; + case MSG_OSD_PG_INFO: + handle_pg_info(op); + break; + case MSG_OSD_PG_TRIM: + handle_pg_trim(op); + break; + case MSG_OSD_BACKFILL_RESERVE: + handle_pg_backfill_reserve(op); + break; + case MSG_OSD_RECOVERY_RESERVE: + handle_pg_recovery_reserve(op); + break; + } +} + +void OSD::_dispatch(Message *m) +{ + assert(osd_lock.is_locked()); + dout(20) << "_dispatch " << m << " " << *m << dendl; + + switch (m->get_type()) { + + // -- don't need lock -- + case CEPH_MSG_PING: + dout(10) << "ping from " << m->get_source() << dendl; + m->put(); + break; + + // -- don't need OSDMap -- + + // map and replication + case CEPH_MSG_OSD_MAP: + handle_osd_map(static_cast(m)); + break; + + // osd + case MSG_PGSTATSACK: + handle_pg_stats_ack(static_cast(m)); + break; + + case MSG_MON_COMMAND: + handle_command(static_cast(m)); + break; + case MSG_COMMAND: + handle_command(static_cast(m)); + break; + + case MSG_OSD_SCRUB: + handle_scrub(static_cast(m)); + break; + + case MSG_OSD_FORCE_RECOVERY: + handle_force_recovery(m); + break; + + // -- need OSDMap -- + + case MSG_OSD_PG_CREATE: + case MSG_OSD_PG_NOTIFY: + case MSG_OSD_PG_QUERY: + case MSG_OSD_PG_LOG: + case MSG_OSD_PG_REMOVE: + case MSG_OSD_PG_INFO: + case MSG_OSD_PG_TRIM: + case MSG_OSD_BACKFILL_RESERVE: + case MSG_OSD_RECOVERY_RESERVE: + { + OpRequestRef op = op_tracker.create_request(m); + if (m->trace) + op->osd_trace.init("osd op", &trace_endpoint, &m->trace); + // no map? starting up? + if (!osdmap) { + dout(7) << "no OSDMap, not booted" << dendl; + logger->inc(l_osd_waiting_for_map); + waiting_for_osdmap.push_back(op); + op->mark_delayed("no osdmap"); + break; + } + + // need OSDMap + dispatch_op(op); + } + } +} + +void OSD::handle_pg_scrub(MOSDScrub *m, PG *pg) +{ + pg->lock(); + if (pg->is_primary()) { + pg->unreg_next_scrub(); + pg->scrubber.must_scrub = true; + pg->scrubber.must_deep_scrub = m->deep || m->repair; + pg->scrubber.must_repair = m->repair; + pg->reg_next_scrub(); + dout(10) << "marking " << *pg << " for scrub" << dendl; + } + pg->unlock(); +} + +void OSD::handle_scrub(MOSDScrub *m) +{ + dout(10) << "handle_scrub " << *m << dendl; + if (!require_mon_or_mgr_peer(m)) { + m->put(); + return; + } + if (m->fsid != monc->get_fsid()) { + dout(0) << "handle_scrub fsid " << m->fsid << " != " << monc->get_fsid() << dendl; + m->put(); + return; + } + + RWLock::RLocker l(pg_map_lock); + if (m->scrub_pgs.empty()) { + for (ceph::unordered_map::iterator p = pg_map.begin(); + p != pg_map.end(); + ++p) + handle_pg_scrub(m, p->second); + } else { + for (vector::iterator p = m->scrub_pgs.begin(); + p != m->scrub_pgs.end(); + ++p) { + spg_t pcand; + if (osdmap->get_primary_shard(*p, &pcand)) { + auto pg_map_entry = pg_map.find(pcand); + if (pg_map_entry != pg_map.end()) { + handle_pg_scrub(m, pg_map_entry->second); + } + } + } + } + + m->put(); +} + +bool OSD::scrub_random_backoff() +{ + bool coin_flip = (rand() / (double)RAND_MAX >= + cct->_conf->osd_scrub_backoff_ratio); + if (!coin_flip) { + dout(20) << "scrub_random_backoff lost coin flip, randomly backing off" << dendl; + return true; + } + return false; +} + +OSDService::ScrubJob::ScrubJob(CephContext* cct, + const spg_t& pg, const utime_t& timestamp, + double pool_scrub_min_interval, + double pool_scrub_max_interval, bool must) + : cct(cct), + pgid(pg), + sched_time(timestamp), + deadline(timestamp) +{ + // if not explicitly requested, postpone the scrub with a random delay + if (!must) { + double scrub_min_interval = pool_scrub_min_interval > 0 ? + pool_scrub_min_interval : cct->_conf->osd_scrub_min_interval; + double scrub_max_interval = pool_scrub_max_interval > 0 ? + pool_scrub_max_interval : cct->_conf->osd_scrub_max_interval; + + sched_time += scrub_min_interval; + double r = rand() / (double)RAND_MAX; + sched_time += + scrub_min_interval * cct->_conf->osd_scrub_interval_randomize_ratio * r; + deadline += scrub_max_interval; + } +} + +bool OSDService::ScrubJob::ScrubJob::operator<(const OSDService::ScrubJob& rhs) const { + if (sched_time < rhs.sched_time) + return true; + if (sched_time > rhs.sched_time) + return false; + return pgid < rhs.pgid; +} + +bool OSD::scrub_time_permit(utime_t now) +{ + struct tm bdt; + time_t tt = now.sec(); + localtime_r(&tt, &bdt); + bool time_permit = false; + if (cct->_conf->osd_scrub_begin_hour < cct->_conf->osd_scrub_end_hour) { + if (bdt.tm_hour >= cct->_conf->osd_scrub_begin_hour && bdt.tm_hour < cct->_conf->osd_scrub_end_hour) { + time_permit = true; + } + } else { + if (bdt.tm_hour >= cct->_conf->osd_scrub_begin_hour || bdt.tm_hour < cct->_conf->osd_scrub_end_hour) { + time_permit = true; + } + } + if (!time_permit) { + dout(20) << __func__ << " should run between " << cct->_conf->osd_scrub_begin_hour + << " - " << cct->_conf->osd_scrub_end_hour + << " now " << bdt.tm_hour << " = no" << dendl; + } else { + dout(20) << __func__ << " should run between " << cct->_conf->osd_scrub_begin_hour + << " - " << cct->_conf->osd_scrub_end_hour + << " now " << bdt.tm_hour << " = yes" << dendl; + } + return time_permit; +} + +bool OSD::scrub_load_below_threshold() +{ + double loadavgs[3]; + if (getloadavg(loadavgs, 3) != 3) { + dout(10) << __func__ << " couldn't read loadavgs\n" << dendl; + return false; + } + + // allow scrub if below configured threshold + if (loadavgs[0] < cct->_conf->osd_scrub_load_threshold) { + dout(20) << __func__ << " loadavg " << loadavgs[0] + << " < max " << cct->_conf->osd_scrub_load_threshold + << " = yes" << dendl; + return true; + } + + // allow scrub if below daily avg and currently decreasing + if (loadavgs[0] < daily_loadavg && loadavgs[0] < loadavgs[2]) { + dout(20) << __func__ << " loadavg " << loadavgs[0] + << " < daily_loadavg " << daily_loadavg + << " and < 15m avg " << loadavgs[2] + << " = yes" << dendl; + return true; + } + + dout(20) << __func__ << " loadavg " << loadavgs[0] + << " >= max " << cct->_conf->osd_scrub_load_threshold + << " and ( >= daily_loadavg " << daily_loadavg + << " or >= 15m avg " << loadavgs[2] + << ") = no" << dendl; + return false; +} + +void OSD::sched_scrub() +{ + // if not permitted, fail fast + if (!service.can_inc_scrubs_pending()) { + return; + } + if (!cct->_conf->osd_scrub_during_recovery && service.is_recovery_active()) { + dout(20) << __func__ << " not scheduling scrubs due to active recovery" << dendl; + return; + } + + + utime_t now = ceph_clock_now(); + bool time_permit = scrub_time_permit(now); + bool load_is_low = scrub_load_below_threshold(); + dout(20) << "sched_scrub load_is_low=" << (int)load_is_low << dendl; + + OSDService::ScrubJob scrub; + if (service.first_scrub_stamp(&scrub)) { + do { + dout(30) << "sched_scrub examine " << scrub.pgid << " at " << scrub.sched_time << dendl; + + if (scrub.sched_time > now) { + // save ourselves some effort + dout(10) << "sched_scrub " << scrub.pgid << " scheduled at " << scrub.sched_time + << " > " << now << dendl; + break; + } + + if ((scrub.deadline >= now) && !(time_permit && load_is_low)) { + dout(10) << __func__ << " not scheduling scrub for " << scrub.pgid << " due to " + << (!time_permit ? "time not permit" : "high load") << dendl; + continue; + } + + PG *pg = _lookup_lock_pg(scrub.pgid); + if (!pg) + continue; + if (pg->get_pgbackend()->scrub_supported() && pg->is_active()) { + dout(10) << "sched_scrub scrubbing " << scrub.pgid << " at " << scrub.sched_time + << (pg->scrubber.must_scrub ? ", explicitly requested" : + (load_is_low ? ", load_is_low" : " deadline < now")) + << dendl; + if (pg->sched_scrub()) { + pg->unlock(); + break; + } + } + pg->unlock(); + } while (service.next_scrub_stamp(scrub, &scrub)); + } + dout(20) << "sched_scrub done" << dendl; +} + + + +// ===================================================== +// MAP + +void OSD::wait_for_new_map(OpRequestRef op) +{ + // ask? + if (waiting_for_osdmap.empty()) { + osdmap_subscribe(osdmap->get_epoch() + 1, false); + } + + logger->inc(l_osd_waiting_for_map); + waiting_for_osdmap.push_back(op); + op->mark_delayed("wait for new map"); +} + + +/** update_map + * assimilate new OSDMap(s). scan pgs, etc. + */ + +void OSD::note_down_osd(int peer) +{ + assert(osd_lock.is_locked()); + cluster_messenger->mark_down(osdmap->get_cluster_addr(peer)); + + heartbeat_lock.Lock(); + failure_queue.erase(peer); + failure_pending.erase(peer); + map::iterator p = heartbeat_peers.find(peer); + if (p != heartbeat_peers.end()) { + p->second.con_back->mark_down(); + if (p->second.con_front) { + p->second.con_front->mark_down(); + } + heartbeat_peers.erase(p); + } + heartbeat_lock.Unlock(); +} + +void OSD::note_up_osd(int peer) +{ + service.forget_peer_epoch(peer, osdmap->get_epoch() - 1); + heartbeat_set_peers_need_update(); +} + +struct C_OnMapCommit : public Context { + OSD *osd; + epoch_t first, last; + MOSDMap *msg; + C_OnMapCommit(OSD *o, epoch_t f, epoch_t l, MOSDMap *m) + : osd(o), first(f), last(l), msg(m) {} + void finish(int r) override { + osd->_committed_osd_maps(first, last, msg); + msg->put(); + } +}; + +struct C_OnMapApply : public Context { + OSDService *service; + list pinned_maps; + epoch_t e; + C_OnMapApply(OSDService *service, + const list &pinned_maps, + epoch_t e) + : service(service), pinned_maps(pinned_maps), e(e) {} + void finish(int r) override { + service->clear_map_bl_cache_pins(e); + } +}; + +void OSD::osdmap_subscribe(version_t epoch, bool force_request) +{ + Mutex::Locker l(osdmap_subscribe_lock); + if (latest_subscribed_epoch >= epoch && !force_request) + return; + + latest_subscribed_epoch = MAX(epoch, latest_subscribed_epoch); + + if (monc->sub_want_increment("osdmap", epoch, CEPH_SUBSCRIBE_ONETIME) || + force_request) { + monc->renew_subs(); + } +} + +void OSD::trim_maps(epoch_t oldest, int nreceived, bool skip_maps) +{ + epoch_t min = std::min(oldest, service.map_cache.cached_key_lower_bound()); + if (min <= superblock.oldest_map) + return; + + int num = 0; + ObjectStore::Transaction t; + for (epoch_t e = superblock.oldest_map; e < min; ++e) { + dout(20) << " removing old osdmap epoch " << e << dendl; + t.remove(coll_t::meta(), get_osdmap_pobject_name(e)); + t.remove(coll_t::meta(), get_inc_osdmap_pobject_name(e)); + superblock.oldest_map = e + 1; + num++; + if (num >= cct->_conf->osd_target_transaction_size && num >= nreceived) { + service.publish_superblock(superblock); + write_superblock(t); + int tr = store->queue_transaction(service.meta_osr.get(), std::move(t), nullptr); + assert(tr == 0); + num = 0; + if (!skip_maps) { + // skip_maps leaves us with a range of old maps if we fail to remove all + // of them before moving superblock.oldest_map forward to the first map + // in the incoming MOSDMap msg. so we should continue removing them in + // this case, even we could do huge series of delete transactions all at + // once. + break; + } + } + } + if (num > 0) { + service.publish_superblock(superblock); + write_superblock(t); + int tr = store->queue_transaction(service.meta_osr.get(), std::move(t), nullptr); + assert(tr == 0); + } + // we should not remove the cached maps + assert(min <= service.map_cache.cached_key_lower_bound()); +} + +void OSD::handle_osd_map(MOSDMap *m) +{ + assert(osd_lock.is_locked()); + // Keep a ref in the list until we get the newly received map written + // onto disk. This is important because as long as the refs are alive, + // the OSDMaps will be pinned in the cache and we won't try to read it + // off of disk. Otherwise these maps will probably not stay in the cache, + // and reading those OSDMaps before they are actually written can result + // in a crash. + list pinned_maps; + if (m->fsid != monc->get_fsid()) { + dout(0) << "handle_osd_map fsid " << m->fsid << " != " + << monc->get_fsid() << dendl; + m->put(); + return; + } + if (is_initializing()) { + dout(0) << "ignoring osdmap until we have initialized" << dendl; + m->put(); + return; + } + + Session *session = static_cast(m->get_connection()->get_priv()); + if (session && !(session->entity_name.is_mon() || + session->entity_name.is_osd())) { + //not enough perms! + dout(10) << "got osd map from Session " << session + << " which we can't take maps from (not a mon or osd)" << dendl; + m->put(); + session->put(); + return; + } + if (session) + session->put(); + + // share with the objecter + if (!is_preboot()) + service.objecter->handle_osd_map(m); + + epoch_t first = m->get_first(); + epoch_t last = m->get_last(); + dout(3) << "handle_osd_map epochs [" << first << "," << last << "], i have " + << superblock.newest_map + << ", src has [" << m->oldest_map << "," << m->newest_map << "]" + << dendl; + + logger->inc(l_osd_map); + logger->inc(l_osd_mape, last - first + 1); + if (first <= superblock.newest_map) + logger->inc(l_osd_mape_dup, superblock.newest_map - first + 1); + if (service.max_oldest_map < m->oldest_map) { + service.max_oldest_map = m->oldest_map; + assert(service.max_oldest_map >= superblock.oldest_map); + } + + // make sure there is something new, here, before we bother flushing + // the queues and such + if (last <= superblock.newest_map) { + dout(10) << " no new maps here, dropping" << dendl; + m->put(); + return; + } + + // missing some? + bool skip_maps = false; + if (first > superblock.newest_map + 1) { + dout(10) << "handle_osd_map message skips epochs " + << superblock.newest_map + 1 << ".." << (first-1) << dendl; + if (m->oldest_map <= superblock.newest_map + 1) { + osdmap_subscribe(superblock.newest_map + 1, false); + m->put(); + return; + } + // always try to get the full range of maps--as many as we can. this + // 1- is good to have + // 2- is at present the only way to ensure that we get a *full* map as + // the first map! + if (m->oldest_map < first) { + osdmap_subscribe(m->oldest_map - 1, true); + m->put(); + return; + } + skip_maps = true; + } + + ObjectStore::Transaction t; + uint64_t txn_size = 0; + + // store new maps: queue for disk and put in the osdmap cache + epoch_t start = MAX(superblock.newest_map + 1, first); + for (epoch_t e = start; e <= last; e++) { + if (txn_size >= t.get_num_bytes()) { + derr << __func__ << " transaction size overflowed" << dendl; + assert(txn_size < t.get_num_bytes()); + } + txn_size = t.get_num_bytes(); + map::iterator p; + p = m->maps.find(e); + if (p != m->maps.end()) { + dout(10) << "handle_osd_map got full map for epoch " << e << dendl; + OSDMap *o = new OSDMap; + bufferlist& bl = p->second; + + o->decode(bl); + + ghobject_t fulloid = get_osdmap_pobject_name(e); + t.write(coll_t::meta(), fulloid, 0, bl.length(), bl); + pin_map_bl(e, bl); + pinned_maps.push_back(add_map(o)); + + got_full_map(e); + continue; + } + + p = m->incremental_maps.find(e); + if (p != m->incremental_maps.end()) { + dout(10) << "handle_osd_map got inc map for epoch " << e << dendl; + bufferlist& bl = p->second; + ghobject_t oid = get_inc_osdmap_pobject_name(e); + t.write(coll_t::meta(), oid, 0, bl.length(), bl); + pin_map_inc_bl(e, bl); + + OSDMap *o = new OSDMap; + if (e > 1) { + bufferlist obl; + bool got = get_map_bl(e - 1, obl); + assert(got); + o->decode(obl); + } + + OSDMap::Incremental inc; + bufferlist::iterator p = bl.begin(); + inc.decode(p); + if (o->apply_incremental(inc) < 0) { + derr << "ERROR: bad fsid? i have " << osdmap->get_fsid() << " and inc has " << inc.fsid << dendl; + assert(0 == "bad fsid"); + } + + bufferlist fbl; + o->encode(fbl, inc.encode_features | CEPH_FEATURE_RESERVED); + + bool injected_failure = false; + if (cct->_conf->osd_inject_bad_map_crc_probability > 0 && + (rand() % 10000) < cct->_conf->osd_inject_bad_map_crc_probability*10000.0) { + derr << __func__ << " injecting map crc failure" << dendl; + injected_failure = true; + } + + if ((inc.have_crc && o->get_crc() != inc.full_crc) || injected_failure) { + dout(2) << "got incremental " << e + << " but failed to encode full with correct crc; requesting" + << dendl; + clog->warn() << "failed to encode map e" << e << " with expected crc"; + dout(20) << "my encoded map was:\n"; + fbl.hexdump(*_dout); + *_dout << dendl; + delete o; + request_full_map(e, last); + last = e - 1; + break; + } + got_full_map(e); + + ghobject_t fulloid = get_osdmap_pobject_name(e); + t.write(coll_t::meta(), fulloid, 0, fbl.length(), fbl); + pin_map_bl(e, fbl); + pinned_maps.push_back(add_map(o)); + continue; + } + + assert(0 == "MOSDMap lied about what maps it had?"); + } + + // even if this map isn't from a mon, we may have satisfied our subscription + monc->sub_got("osdmap", last); + + if (!m->maps.empty() && requested_full_first) { + dout(10) << __func__ << " still missing full maps " << requested_full_first + << ".." << requested_full_last << dendl; + rerequest_full_maps(); + } + + if (superblock.oldest_map) { + // make sure we at least keep pace with incoming maps + trim_maps(m->oldest_map, last - first + 1, skip_maps); + } + + if (!superblock.oldest_map || skip_maps) + superblock.oldest_map = first; + superblock.newest_map = last; + superblock.current_epoch = last; + + // note in the superblock that we were clean thru the prior epoch + epoch_t boot_epoch = service.get_boot_epoch(); + if (boot_epoch && boot_epoch >= superblock.mounted) { + superblock.mounted = boot_epoch; + superblock.clean_thru = last; + } + + // superblock and commit + write_superblock(t); + store->queue_transaction( + service.meta_osr.get(), + std::move(t), + new C_OnMapApply(&service, pinned_maps, last), + new C_OnMapCommit(this, start, last, m), 0); + service.publish_superblock(superblock); +} + +void OSD::_committed_osd_maps(epoch_t first, epoch_t last, MOSDMap *m) +{ + dout(10) << __func__ << " " << first << ".." << last << dendl; + if (is_stopping()) { + dout(10) << __func__ << " bailing, we are shutting down" << dendl; + return; + } + Mutex::Locker l(osd_lock); + if (is_stopping()) { + dout(10) << __func__ << " bailing, we are shutting down" << dendl; + return; + } + map_lock.get_write(); + + bool do_shutdown = false; + bool do_restart = false; + bool network_error = false; + + // advance through the new maps + for (epoch_t cur = first; cur <= last; cur++) { + dout(10) << " advance to epoch " << cur + << " (<= last " << last + << " <= newest_map " << superblock.newest_map + << ")" << dendl; + + OSDMapRef newmap = get_map(cur); + assert(newmap); // we just cached it above! + + // start blacklisting messages sent to peers that go down. + service.pre_publish_map(newmap); + + // kill connections to newly down osds + bool waited_for_reservations = false; + set old; + osdmap->get_all_osds(old); + for (set::iterator p = old.begin(); p != old.end(); ++p) { + if (*p != whoami && + osdmap->is_up(*p) && // in old map + newmap->is_down(*p)) { // but not the new one + if (!waited_for_reservations) { + service.await_reserved_maps(); + waited_for_reservations = true; + } + note_down_osd(*p); + } else if (*p != whoami && + osdmap->is_down(*p) && + newmap->is_up(*p)) { + note_up_osd(*p); + } + } + + if ((osdmap->test_flag(CEPH_OSDMAP_NOUP) != + newmap->test_flag(CEPH_OSDMAP_NOUP)) || + (osdmap->is_noup(whoami) != newmap->is_noup(whoami))) { + dout(10) << __func__ << " NOUP flag changed in " << newmap->get_epoch() + << dendl; + if (is_booting()) { + // this captures the case where we sent the boot message while + // NOUP was being set on the mon and our boot request was + // dropped, and then later it is cleared. it imperfectly + // handles the case where our original boot message was not + // dropped and we restart even though we might have booted, but + // that is harmless (boot will just take slightly longer). + do_restart = true; + } + } + if (osdmap->require_osd_release < CEPH_RELEASE_LUMINOUS && + newmap->require_osd_release >= CEPH_RELEASE_LUMINOUS) { + dout(10) << __func__ << " require_osd_release reached luminous in " + << newmap->get_epoch() << dendl; + clear_pg_stat_queue(); + clear_outstanding_pg_stats(); + } + + osdmap = newmap; + epoch_t up_epoch; + epoch_t boot_epoch; + service.retrieve_epochs(&boot_epoch, &up_epoch, NULL); + if (!up_epoch && + osdmap->is_up(whoami) && + osdmap->get_inst(whoami) == client_messenger->get_myinst()) { + up_epoch = osdmap->get_epoch(); + dout(10) << "up_epoch is " << up_epoch << dendl; + if (!boot_epoch) { + boot_epoch = osdmap->get_epoch(); + dout(10) << "boot_epoch is " << boot_epoch << dendl; + } + service.set_epochs(&boot_epoch, &up_epoch, NULL); + } + } + + had_map_since = ceph_clock_now(); + + epoch_t _bind_epoch = service.get_bind_epoch(); + if (osdmap->is_up(whoami) && + osdmap->get_addr(whoami) == client_messenger->get_myaddr() && + _bind_epoch < osdmap->get_up_from(whoami)) { + + if (is_booting()) { + dout(1) << "state: booting -> active" << dendl; + set_state(STATE_ACTIVE); + + // set incarnation so that osd_reqid_t's we generate for our + // objecter requests are unique across restarts. + service.objecter->set_client_incarnation(osdmap->get_epoch()); + } + } + + if (osdmap->get_epoch() > 0 && + is_active()) { + if (!osdmap->exists(whoami)) { + dout(0) << "map says i do not exist. shutting down." << dendl; + do_shutdown = true; // don't call shutdown() while we have + // everything paused + } else if (!osdmap->is_up(whoami) || + !osdmap->get_addr(whoami).probably_equals( + client_messenger->get_myaddr()) || + !osdmap->get_cluster_addr(whoami).probably_equals( + cluster_messenger->get_myaddr()) || + !osdmap->get_hb_back_addr(whoami).probably_equals( + hb_back_server_messenger->get_myaddr()) || + (osdmap->get_hb_front_addr(whoami) != entity_addr_t() && + !osdmap->get_hb_front_addr(whoami).probably_equals( + hb_front_server_messenger->get_myaddr()))) { + if (!osdmap->is_up(whoami)) { + if (service.is_preparing_to_stop() || service.is_stopping()) { + service.got_stop_ack(); + } else { + clog->warn() << "Monitor daemon marked osd." << whoami << " down, " + "but it is still running"; + clog->debug() << "map e" << osdmap->get_epoch() + << " wrongly marked me down at e" + << osdmap->get_down_at(whoami); + } + } else if (!osdmap->get_addr(whoami).probably_equals( + client_messenger->get_myaddr())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong client addr (" << osdmap->get_addr(whoami) + << " != my " << client_messenger->get_myaddr() << ")"; + } else if (!osdmap->get_cluster_addr(whoami).probably_equals( + cluster_messenger->get_myaddr())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong cluster addr (" + << osdmap->get_cluster_addr(whoami) + << " != my " << cluster_messenger->get_myaddr() << ")"; + } else if (!osdmap->get_hb_back_addr(whoami).probably_equals( + hb_back_server_messenger->get_myaddr())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong heartbeat back addr (" + << osdmap->get_hb_back_addr(whoami) + << " != my " << hb_back_server_messenger->get_myaddr() + << ")"; + } else if (osdmap->get_hb_front_addr(whoami) != entity_addr_t() && + !osdmap->get_hb_front_addr(whoami).probably_equals( + hb_front_server_messenger->get_myaddr())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong heartbeat front addr (" + << osdmap->get_hb_front_addr(whoami) + << " != my " << hb_front_server_messenger->get_myaddr() + << ")"; + } + + if (!service.is_stopping()) { + epoch_t up_epoch = 0; + epoch_t bind_epoch = osdmap->get_epoch(); + service.set_epochs(NULL,&up_epoch, &bind_epoch); + do_restart = true; + + //add markdown log + utime_t now = ceph_clock_now(); + utime_t grace = utime_t(cct->_conf->osd_max_markdown_period, 0); + osd_markdown_log.push_back(now); + //clear all out-of-date log + while (!osd_markdown_log.empty() && + osd_markdown_log.front() + grace < now) + osd_markdown_log.pop_front(); + if ((int)osd_markdown_log.size() > cct->_conf->osd_max_markdown_count) { + dout(0) << __func__ << " marked down " + << osd_markdown_log.size() + << " > osd_max_markdown_count " + << cct->_conf->osd_max_markdown_count + << " in last " << grace << " seconds, shutting down" + << dendl; + do_restart = false; + do_shutdown = true; + } + + start_waiting_for_healthy(); + + set avoid_ports; +#if defined(__FreeBSD__) + // prevent FreeBSD from grabbing the client_messenger port during + // rebinding. In which case a cluster_meesneger will connect also + // to the same port + avoid_ports.insert(client_messenger->get_myaddr().get_port()); +#endif + avoid_ports.insert(cluster_messenger->get_myaddr().get_port()); + avoid_ports.insert(hb_back_server_messenger->get_myaddr().get_port()); + avoid_ports.insert(hb_front_server_messenger->get_myaddr().get_port()); + + int r = cluster_messenger->rebind(avoid_ports); + if (r != 0) { + do_shutdown = true; // FIXME: do_restart? + network_error = true; + dout(0) << __func__ << " marked down:" + << " rebind cluster_messenger failed" << dendl; + } + + r = hb_back_server_messenger->rebind(avoid_ports); + if (r != 0) { + do_shutdown = true; // FIXME: do_restart? + network_error = true; + dout(0) << __func__ << " marked down:" + << " rebind hb_back_server_messenger failed" << dendl; + } + + r = hb_front_server_messenger->rebind(avoid_ports); + if (r != 0) { + do_shutdown = true; // FIXME: do_restart? + network_error = true; + dout(0) << __func__ << " marked down:" + << " rebind hb_front_server_messenger failed" << dendl; + } + + hb_front_client_messenger->mark_down_all(); + hb_back_client_messenger->mark_down_all(); + + reset_heartbeat_peers(); + } + } + } + + map_lock.put_write(); + + check_osdmap_features(store); + + // yay! + consume_map(); + + if (is_active() || is_waiting_for_healthy()) + maybe_update_heartbeat_peers(); + + if (!is_active()) { + dout(10) << " not yet active; waiting for peering wq to drain" << dendl; + peering_wq.drain(); + } else { + activate_map(); + } + + if (do_shutdown) { + if (network_error) { + Mutex::Locker l(heartbeat_lock); + map>::iterator it = + failure_pending.begin(); + while (it != failure_pending.end()) { + dout(10) << "handle_osd_ping canceling in-flight failure report for osd." + << it->first << dendl; + send_still_alive(osdmap->get_epoch(), it->second.second); + failure_pending.erase(it++); + } + } + // trigger shutdown in a different thread + dout(0) << __func__ << " shutdown OSD via async signal" << dendl; + queue_async_signal(SIGINT); + } + else if (m->newest_map && m->newest_map > last) { + dout(10) << " msg say newest map is " << m->newest_map + << ", requesting more" << dendl; + osdmap_subscribe(osdmap->get_epoch()+1, false); + } + else if (is_preboot()) { + if (m->get_source().is_mon()) + _preboot(m->oldest_map, m->newest_map); + else + start_boot(); + } + else if (do_restart) + start_boot(); + +} + +void OSD::check_osdmap_features(ObjectStore *fs) +{ + // adjust required feature bits? + + // we have to be a bit careful here, because we are accessing the + // Policy structures without taking any lock. in particular, only + // modify integer values that can safely be read by a racing CPU. + // since we are only accessing existing Policy structures a their + // current memory location, and setting or clearing bits in integer + // fields, and we are the only writer, this is not a problem. + + { + Messenger::Policy p = client_messenger->get_default_policy(); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_CLIENT, &mask); + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << ", adjusting msgr requires for clients" << dendl; + p.features_required = (p.features_required & ~mask) | features; + client_messenger->set_default_policy(p); + } + } + { + Messenger::Policy p = client_messenger->get_policy(entity_name_t::TYPE_MON); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_MON, &mask); + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << " was " << p.features_required + << ", adjusting msgr requires for mons" << dendl; + p.features_required = (p.features_required & ~mask) | features; + client_messenger->set_policy(entity_name_t::TYPE_MON, p); + } + } + { + Messenger::Policy p = cluster_messenger->get_policy(entity_name_t::TYPE_OSD); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_OSD, &mask); + + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << ", adjusting msgr requires for osds" << dendl; + p.features_required = (p.features_required & ~mask) | features; + cluster_messenger->set_policy(entity_name_t::TYPE_OSD, p); + } + + if ((features & CEPH_FEATURE_OSD_ERASURE_CODES) && + !superblock.compat_features.incompat.contains(CEPH_OSD_FEATURE_INCOMPAT_SHARDS)) { + dout(0) << __func__ << " enabling on-disk ERASURE CODES compat feature" << dendl; + superblock.compat_features.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SHARDS); + ObjectStore::Transaction t; + write_superblock(t); + int err = store->queue_transaction(service.meta_osr.get(), std::move(t), NULL); + assert(err == 0); + } + } +} + +bool OSD::advance_pg( + epoch_t osd_epoch, PG *pg, + ThreadPool::TPHandle &handle, + PG::RecoveryCtx *rctx, + set *new_pgs) +{ + assert(pg->is_locked()); + epoch_t next_epoch = pg->get_osdmap()->get_epoch() + 1; + OSDMapRef lastmap = pg->get_osdmap(); + + if (lastmap->get_epoch() == osd_epoch) + return true; + assert(lastmap->get_epoch() < osd_epoch); + + epoch_t min_epoch = service.get_min_pg_epoch(); + epoch_t max; + if (min_epoch) { + max = min_epoch + cct->_conf->osd_map_max_advance; + } else { + max = next_epoch + cct->_conf->osd_map_max_advance; + } + + for (; + next_epoch <= osd_epoch && next_epoch <= max; + ++next_epoch) { + OSDMapRef nextmap = service.try_get_map(next_epoch); + if (!nextmap) { + dout(20) << __func__ << " missing map " << next_epoch << dendl; + // make sure max is bumped up so that we can get past any + // gap in maps + max = MAX(max, next_epoch + cct->_conf->osd_map_max_advance); + continue; + } + + vector newup, newacting; + int up_primary, acting_primary; + nextmap->pg_to_up_acting_osds( + pg->info.pgid.pgid, + &newup, &up_primary, + &newacting, &acting_primary); + pg->handle_advance_map( + nextmap, lastmap, newup, up_primary, + newacting, acting_primary, rctx); + + // Check for split! + set children; + spg_t parent(pg->info.pgid); + if (parent.is_split( + lastmap->get_pg_num(pg->pool.id), + nextmap->get_pg_num(pg->pool.id), + &children)) { + service.mark_split_in_progress(pg->info.pgid, children); + split_pgs( + pg, children, new_pgs, lastmap, nextmap, + rctx); + } + + lastmap = nextmap; + handle.reset_tp_timeout(); + } + service.pg_update_epoch(pg->info.pgid, lastmap->get_epoch()); + pg->handle_activate_map(rctx); + if (next_epoch <= osd_epoch) { + dout(10) << __func__ << " advanced to max " << max + << " past min epoch " << min_epoch + << " ... will requeue " << *pg << dendl; + return false; + } + return true; +} + +void OSD::consume_map() +{ + assert(osd_lock.is_locked()); + dout(7) << "consume_map version " << osdmap->get_epoch() << dendl; + + /** make sure the cluster is speaking in SORTBITWISE, because we don't + * speak the older sorting version any more. Be careful not to force + * a shutdown if we are merely processing old maps, though. + */ + if (!osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE) && is_active()) { + derr << __func__ << " SORTBITWISE flag is not set" << dendl; + ceph_abort(); + } + + int num_pg_primary = 0, num_pg_replica = 0, num_pg_stray = 0; + list to_remove; + + // scan pg's + { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator it = pg_map.begin(); + it != pg_map.end(); + ++it) { + PG *pg = it->second; + pg->lock(); + if (pg->is_primary()) + num_pg_primary++; + else if (pg->is_replica()) + num_pg_replica++; + else + num_pg_stray++; + + if (!osdmap->have_pg_pool(pg->info.pgid.pool())) { + //pool is deleted! + to_remove.push_back(PGRef(pg)); + } else { + service.init_splits_between(it->first, service.get_osdmap(), osdmap); + } + + pg->unlock(); + } + + lock_guard pending_creates_locker{pending_creates_lock}; + for (auto pg = pending_creates_from_osd.cbegin(); + pg != pending_creates_from_osd.cend();) { + if (osdmap->get_pg_acting_rank(*pg, whoami) < 0) { + pg = pending_creates_from_osd.erase(pg); + } else { + ++pg; + } + } + } + + for (list::iterator i = to_remove.begin(); + i != to_remove.end(); + to_remove.erase(i++)) { + RWLock::WLocker locker(pg_map_lock); + (*i)->lock(); + _remove_pg(&**i); + (*i)->unlock(); + } + + service.expand_pg_num(service.get_osdmap(), osdmap); + + service.pre_publish_map(osdmap); + service.await_reserved_maps(); + service.publish_map(osdmap); + + service.maybe_inject_dispatch_delay(); + + dispatch_sessions_waiting_on_map(); + + service.maybe_inject_dispatch_delay(); + + // remove any PGs which we no longer host from the session waiting_for_pg lists + dout(20) << __func__ << " checking waiting_for_pg" << dendl; + op_shardedwq.prune_pg_waiters(osdmap, whoami); + + service.maybe_inject_dispatch_delay(); + + // scan pg's + { + RWLock::RLocker l(pg_map_lock); + for (ceph::unordered_map::iterator it = pg_map.begin(); + it != pg_map.end(); + ++it) { + PG *pg = it->second; + pg->lock(); + pg->queue_null(osdmap->get_epoch(), osdmap->get_epoch()); + pg->unlock(); + } + + logger->set(l_osd_pg, pg_map.size()); + } + logger->set(l_osd_pg_primary, num_pg_primary); + logger->set(l_osd_pg_replica, num_pg_replica); + logger->set(l_osd_pg_stray, num_pg_stray); +} + +void OSD::activate_map() +{ + assert(osd_lock.is_locked()); + + dout(7) << "activate_map version " << osdmap->get_epoch() << dendl; + + if (osdmap->test_flag(CEPH_OSDMAP_FULL)) { + dout(10) << " osdmap flagged full, doing onetime osdmap subscribe" << dendl; + osdmap_subscribe(osdmap->get_epoch() + 1, false); + } + + // norecover? + if (osdmap->test_flag(CEPH_OSDMAP_NORECOVER)) { + if (!service.recovery_is_paused()) { + dout(1) << "pausing recovery (NORECOVER flag set)" << dendl; + service.pause_recovery(); + } + } else { + if (service.recovery_is_paused()) { + dout(1) << "unpausing recovery (NORECOVER flag unset)" << dendl; + service.unpause_recovery(); + } + } + + service.activate_map(); + + // process waiters + take_waiters(waiting_for_osdmap); +} + +bool OSD::require_mon_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_mon()) { + dout(0) << "require_mon_peer received from non-mon " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +bool OSD::require_mon_or_mgr_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_mon() && + !m->get_connection()->peer_is_mgr()) { + dout(0) << "require_mon_or_mgr_peer received from non-mon, non-mgr " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +bool OSD::require_osd_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_osd()) { + dout(0) << "require_osd_peer received from non-osd " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +bool OSD::require_self_aliveness(const Message *m, epoch_t epoch) +{ + epoch_t up_epoch = service.get_up_epoch(); + if (epoch < up_epoch) { + dout(7) << "from pre-up epoch " << epoch << " < " << up_epoch << dendl; + return false; + } + + if (!is_active()) { + dout(7) << "still in boot state, dropping message " << *m << dendl; + return false; + } + + return true; +} + +bool OSD::require_same_peer_instance(const Message *m, OSDMapRef& map, + bool is_fast_dispatch) +{ + int from = m->get_source().num(); + + if (map->is_down(from) || + (map->get_cluster_addr(from) != m->get_source_inst().addr)) { + dout(5) << "from dead osd." << from << ", marking down, " + << " msg was " << m->get_source_inst().addr + << " expected " << (map->is_up(from) ? + map->get_cluster_addr(from) : entity_addr_t()) + << dendl; + ConnectionRef con = m->get_connection(); + con->mark_down(); + Session *s = static_cast(con->get_priv()); + if (s) { + if (!is_fast_dispatch) + s->session_dispatch_lock.Lock(); + clear_session_waiting_on_map(s); + con->set_priv(NULL); // break ref <-> session cycle, if any + if (!is_fast_dispatch) + s->session_dispatch_lock.Unlock(); + s->put(); + } + return false; + } + return true; +} + + +/* + * require that we have same (or newer) map, and that + * the source is the pg primary. + */ +bool OSD::require_same_or_newer_map(OpRequestRef& op, epoch_t epoch, + bool is_fast_dispatch) +{ + const Message *m = op->get_req(); + dout(15) << "require_same_or_newer_map " << epoch + << " (i am " << osdmap->get_epoch() << ") " << m << dendl; + + assert(osd_lock.is_locked()); + + // do they have a newer map? + if (epoch > osdmap->get_epoch()) { + dout(7) << "waiting for newer map epoch " << epoch + << " > my " << osdmap->get_epoch() << " with " << m << dendl; + wait_for_new_map(op); + return false; + } + + if (!require_self_aliveness(op->get_req(), epoch)) { + return false; + } + + // ok, our map is same or newer.. do they still exist? + if (m->get_connection()->get_messenger() == cluster_messenger && + !require_same_peer_instance(op->get_req(), osdmap, is_fast_dispatch)) { + return false; + } + + return true; +} + + + + + +// ---------------------------------------- +// pg creation + +void OSD::split_pgs( + PG *parent, + const set &childpgids, set *out_pgs, + OSDMapRef curmap, + OSDMapRef nextmap, + PG::RecoveryCtx *rctx) +{ + unsigned pg_num = nextmap->get_pg_num( + parent->pool.id); + parent->update_snap_mapper_bits( + parent->info.pgid.get_split_bits(pg_num) + ); + + vector updated_stats(childpgids.size() + 1); + parent->info.stats.stats.sum.split(updated_stats); + + vector::iterator stat_iter = updated_stats.begin(); + for (set::const_iterator i = childpgids.begin(); + i != childpgids.end(); + ++i, ++stat_iter) { + assert(stat_iter != updated_stats.end()); + dout(10) << "Splitting " << *parent << " into " << *i << dendl; + assert(service.splitting(*i)); + PG* child = _make_pg(nextmap, *i); + child->lock(true); + out_pgs->insert(child); + rctx->created_pgs.insert(child); + + unsigned split_bits = i->get_split_bits(pg_num); + dout(10) << "pg_num is " << pg_num << dendl; + dout(10) << "m_seed " << i->ps() << dendl; + dout(10) << "split_bits is " << split_bits << dendl; + + parent->split_colls( + *i, + split_bits, + i->ps(), + &child->pool.info, + rctx->transaction); + parent->split_into( + i->pgid, + child, + split_bits); + child->info.stats.stats.sum = *stat_iter; + + child->write_if_dirty(*(rctx->transaction)); + child->unlock(); + } + assert(stat_iter != updated_stats.end()); + parent->info.stats.stats.sum = *stat_iter; + parent->write_if_dirty(*(rctx->transaction)); +} + +/* + * holding osd_lock + */ +void OSD::handle_pg_create(OpRequestRef op) +{ + const MOSDPGCreate *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_CREATE); + + dout(10) << "handle_pg_create " << *m << dendl; + + if (!require_mon_peer(op->get_req())) { + return; + } + + if (!require_same_or_newer_map(op, m->epoch, false)) + return; + + op->mark_started(); + + map::const_iterator ci = m->ctimes.begin(); + for (map::const_iterator p = m->mkpg.begin(); + p != m->mkpg.end(); + ++p, ++ci) { + assert(ci != m->ctimes.end() && ci->first == p->first); + epoch_t created = p->second.created; + if (p->second.split_bits) // Skip split pgs + continue; + pg_t on = p->first; + + if (on.preferred() >= 0) { + dout(20) << "ignoring localized pg " << on << dendl; + continue; + } + + if (!osdmap->have_pg_pool(on.pool())) { + dout(20) << "ignoring pg on deleted pool " << on << dendl; + continue; + } + + dout(20) << "mkpg " << on << " e" << created << "@" << ci->second << dendl; + + // is it still ours? + vector up, acting; + int up_primary = -1; + int acting_primary = -1; + osdmap->pg_to_up_acting_osds(on, &up, &up_primary, &acting, &acting_primary); + int role = osdmap->calc_pg_role(whoami, acting, acting.size()); + + if (acting_primary != whoami) { + dout(10) << "mkpg " << on << " not acting_primary (" << acting_primary + << "), my role=" << role << ", skipping" << dendl; + continue; + } + + spg_t pgid; + bool mapped = osdmap->get_primary_shard(on, &pgid); + assert(mapped); + + PastIntervals pi( + osdmap->get_pools().at(pgid.pool()).ec_pool(), + *osdmap); + pg_history_t history; + build_initial_pg_history(pgid, created, ci->second, &history, &pi); + + // The mon won't resend unless the primary changed, so + // we ignore same_interval_since. We'll pass this history + // to handle_pg_peering_evt with the current epoch as the + // event -- the project_pg_history check in + // handle_pg_peering_evt will be a noop. + if (history.same_primary_since > m->epoch) { + dout(10) << __func__ << ": got obsolete pg create on pgid " + << pgid << " from epoch " << m->epoch + << ", primary changed in " << history.same_primary_since + << dendl; + continue; + } + if (handle_pg_peering_evt( + pgid, + history, + pi, + osdmap->get_epoch(), + PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + osdmap->get_epoch(), + osdmap->get_epoch(), + PG::NullEvt())) + ) == -EEXIST) { + service.send_pg_created(pgid.pgid); + } + } + + { + lock_guard pending_creates_locker{pending_creates_lock}; + if (pending_creates_from_mon == 0) { + last_pg_create_epoch = m->epoch; + } + } + maybe_update_heartbeat_peers(); +} + + +// ---------------------------------------- +// peering and recovery + +PG::RecoveryCtx OSD::create_context() +{ + ObjectStore::Transaction *t = new ObjectStore::Transaction; + C_Contexts *on_applied = new C_Contexts(cct); + C_Contexts *on_safe = new C_Contexts(cct); + map > *query_map = + new map >; + map > > *notify_list = + new map > >; + map > > *info_map = + new map > >; + PG::RecoveryCtx rctx(query_map, info_map, notify_list, + on_applied, on_safe, t); + return rctx; +} + +struct C_OpenPGs : public Context { + set pgs; + ObjectStore *store; + OSD *osd; + C_OpenPGs(set& p, ObjectStore *s, OSD* o) : store(s), osd(o) { + pgs.swap(p); + } + void finish(int r) override { + RWLock::RLocker l(osd->pg_map_lock); + for (auto p : pgs) { + if (osd->pg_map.count(p->info.pgid)) { + p->ch = store->open_collection(p->coll); + assert(p->ch); + } + } + } +}; + +void OSD::dispatch_context_transaction(PG::RecoveryCtx &ctx, PG *pg, + ThreadPool::TPHandle *handle) +{ + if (!ctx.transaction->empty()) { + if (!ctx.created_pgs.empty()) { + ctx.on_applied->add(new C_OpenPGs(ctx.created_pgs, store, this)); + } + int tr = store->queue_transaction( + pg->osr.get(), + std::move(*ctx.transaction), ctx.on_applied, ctx.on_safe, NULL, + TrackedOpRef(), handle); + delete (ctx.transaction); + assert(tr == 0); + ctx.transaction = new ObjectStore::Transaction; + ctx.on_applied = new C_Contexts(cct); + ctx.on_safe = new C_Contexts(cct); + } +} + +void OSD::dispatch_context(PG::RecoveryCtx &ctx, PG *pg, OSDMapRef curmap, + ThreadPool::TPHandle *handle) +{ + if (service.get_osdmap()->is_up(whoami) && + is_active()) { + do_notifies(*ctx.notify_list, curmap); + do_queries(*ctx.query_map, curmap); + do_infos(*ctx.info_map, curmap); + } + delete ctx.notify_list; + delete ctx.query_map; + delete ctx.info_map; + if ((ctx.on_applied->empty() && + ctx.on_safe->empty() && + ctx.transaction->empty() && + ctx.created_pgs.empty()) || !pg) { + delete ctx.transaction; + delete ctx.on_applied; + delete ctx.on_safe; + assert(ctx.created_pgs.empty()); + } else { + if (!ctx.created_pgs.empty()) { + ctx.on_applied->add(new C_OpenPGs(ctx.created_pgs, store, this)); + } + int tr = store->queue_transaction( + pg->osr.get(), + std::move(*ctx.transaction), ctx.on_applied, ctx.on_safe, NULL, TrackedOpRef(), + handle); + delete (ctx.transaction); + assert(tr == 0); + } +} + +/** do_notifies + * Send an MOSDPGNotify to a primary, with a list of PGs that I have + * content for, and they are primary for. + */ + +void OSD::do_notifies( + map > >& notify_list, + OSDMapRef curmap) +{ + for (map > >::iterator it = + notify_list.begin(); + it != notify_list.end(); + ++it) { + if (!curmap->is_up(it->first)) { + dout(20) << __func__ << " skipping down osd." << it->first << dendl; + continue; + } + ConnectionRef con = service.get_con_osd_cluster( + it->first, curmap->get_epoch()); + if (!con) { + dout(20) << __func__ << " skipping osd." << it->first + << " (NULL con)" << dendl; + continue; + } + service.share_map_peer(it->first, con.get(), curmap); + dout(7) << __func__ << " osd." << it->first + << " on " << it->second.size() << " PGs" << dendl; + MOSDPGNotify *m = new MOSDPGNotify(curmap->get_epoch(), + it->second); + con->send_message(m); + } +} + + +/** do_queries + * send out pending queries for info | summaries + */ +void OSD::do_queries(map >& query_map, + OSDMapRef curmap) +{ + for (map >::iterator pit = query_map.begin(); + pit != query_map.end(); + ++pit) { + if (!curmap->is_up(pit->first)) { + dout(20) << __func__ << " skipping down osd." << pit->first << dendl; + continue; + } + int who = pit->first; + ConnectionRef con = service.get_con_osd_cluster(who, curmap->get_epoch()); + if (!con) { + dout(20) << __func__ << " skipping osd." << who + << " (NULL con)" << dendl; + continue; + } + service.share_map_peer(who, con.get(), curmap); + dout(7) << __func__ << " querying osd." << who + << " on " << pit->second.size() << " PGs" << dendl; + MOSDPGQuery *m = new MOSDPGQuery(curmap->get_epoch(), pit->second); + con->send_message(m); + } +} + + +void OSD::do_infos(map > >& info_map, + OSDMapRef curmap) +{ + for (map > >::iterator p = + info_map.begin(); + p != info_map.end(); + ++p) { + if (!curmap->is_up(p->first)) { + dout(20) << __func__ << " skipping down osd." << p->first << dendl; + continue; + } + for (vector >::iterator i = p->second.begin(); + i != p->second.end(); + ++i) { + dout(20) << __func__ << " sending info " << i->first.info + << " to shard " << p->first << dendl; + } + ConnectionRef con = service.get_con_osd_cluster( + p->first, curmap->get_epoch()); + if (!con) { + dout(20) << __func__ << " skipping osd." << p->first + << " (NULL con)" << dendl; + continue; + } + service.share_map_peer(p->first, con.get(), curmap); + MOSDPGInfo *m = new MOSDPGInfo(curmap->get_epoch()); + m->pg_list = p->second; + con->send_message(m); + } + info_map.clear(); +} + + +/** PGNotify + * from non-primary to primary + * includes pg_info_t. + * NOTE: called with opqueue active. + */ +void OSD::handle_pg_notify(OpRequestRef op) +{ + const MOSDPGNotify *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_NOTIFY); + + dout(7) << "handle_pg_notify from " << m->get_source() << dendl; + int from = m->get_source().num(); + + if (!require_osd_peer(op->get_req())) + return; + + if (!require_same_or_newer_map(op, m->get_epoch(), false)) + return; + + op->mark_started(); + + for (auto it = m->get_pg_list().begin(); + it != m->get_pg_list().end(); + ++it) { + if (it->first.info.pgid.preferred() >= 0) { + dout(20) << "ignoring localized pg " << it->first.info.pgid << dendl; + continue; + } + + handle_pg_peering_evt( + spg_t(it->first.info.pgid.pgid, it->first.to), + it->first.info.history, it->second, + it->first.query_epoch, + PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + it->first.epoch_sent, it->first.query_epoch, + PG::MNotifyRec(pg_shard_t(from, it->first.from), it->first, + op->get_req()->get_connection()->get_features()))) + ); + } +} + +void OSD::handle_pg_log(OpRequestRef op) +{ + MOSDPGLog *m = static_cast(op->get_nonconst_req()); + assert(m->get_type() == MSG_OSD_PG_LOG); + dout(7) << "handle_pg_log " << *m << " from " << m->get_source() << dendl; + + if (!require_osd_peer(op->get_req())) + return; + + int from = m->get_source().num(); + if (!require_same_or_newer_map(op, m->get_epoch(), false)) + return; + + if (m->info.pgid.preferred() >= 0) { + dout(10) << "ignoring localized pg " << m->info.pgid << dendl; + return; + } + + op->mark_started(); + handle_pg_peering_evt( + spg_t(m->info.pgid.pgid, m->to), + m->info.history, m->past_intervals, m->get_epoch(), + PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->get_epoch(), m->get_query_epoch(), + PG::MLogRec(pg_shard_t(from, m->from), m))) + ); +} + +void OSD::handle_pg_info(OpRequestRef op) +{ + const MOSDPGInfo *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_INFO); + dout(7) << "handle_pg_info " << *m << " from " << m->get_source() << dendl; + + if (!require_osd_peer(op->get_req())) + return; + + int from = m->get_source().num(); + if (!require_same_or_newer_map(op, m->get_epoch(), false)) + return; + + op->mark_started(); + + for (auto p = m->pg_list.begin(); + p != m->pg_list.end(); + ++p) { + if (p->first.info.pgid.preferred() >= 0) { + dout(10) << "ignoring localized pg " << p->first.info.pgid << dendl; + continue; + } + + handle_pg_peering_evt( + spg_t(p->first.info.pgid.pgid, p->first.to), + p->first.info.history, p->second, p->first.epoch_sent, + PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + p->first.epoch_sent, p->first.query_epoch, + PG::MInfoRec( + pg_shard_t( + from, p->first.from), p->first.info, p->first.epoch_sent))) + ); + } +} + +void OSD::handle_pg_trim(OpRequestRef op) +{ + const MOSDPGTrim *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_TRIM); + + dout(7) << "handle_pg_trim " << *m << " from " << m->get_source() << dendl; + + if (!require_osd_peer(op->get_req())) + return; + + int from = m->get_source().num(); + if (!require_same_or_newer_map(op, m->epoch, false)) + return; + + if (m->pgid.preferred() >= 0) { + dout(10) << "ignoring localized pg " << m->pgid << dendl; + return; + } + + op->mark_started(); + + PG *pg = _lookup_lock_pg(m->pgid); + if(!pg) { + dout(10) << " don't have pg " << m->pgid << dendl; + return; + } + + if (m->epoch < pg->info.history.same_interval_since) { + dout(10) << *pg << " got old trim to " << m->trim_to << ", ignoring" << dendl; + pg->unlock(); + return; + } + + if (pg->is_primary()) { + // peer is informing us of their last_complete_ondisk + dout(10) << *pg << " replica osd." << from << " lcod " << m->trim_to << dendl; + pg->peer_last_complete_ondisk[pg_shard_t(from, m->pgid.shard)] = + m->trim_to; + // trim log when the pg is recovered + pg->calc_min_last_complete_ondisk(); + } else { + // primary is instructing us to trim + ObjectStore::Transaction t; + pg->pg_log.trim(m->trim_to, pg->info); + pg->dirty_info = true; + pg->write_if_dirty(t); + int tr = store->queue_transaction(pg->osr.get(), std::move(t), NULL); + assert(tr == 0); + } + pg->unlock(); +} + +void OSD::handle_pg_backfill_reserve(OpRequestRef op) +{ + const MBackfillReserve *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_BACKFILL_RESERVE); + + if (!require_osd_peer(op->get_req())) + return; + if (!require_same_or_newer_map(op, m->query_epoch, false)) + return; + + PG::CephPeeringEvtRef evt; + if (m->type == MBackfillReserve::REQUEST) { + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RequestBackfillPrio(m->priority))); + } else if (m->type == MBackfillReserve::GRANT) { + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RemoteBackfillReserved())); + } else if (m->type == MBackfillReserve::REJECT) { + // NOTE: this is replica -> primary "i reject your request" + // and also primary -> replica "cancel my previously-granted request" + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RemoteReservationRejected())); + } else { + ceph_abort(); + } + + if (service.splitting(m->pgid)) { + peering_wait_for_split[m->pgid].push_back(evt); + return; + } + + PG *pg = _lookup_lock_pg(m->pgid); + if (!pg) { + dout(10) << " don't have pg " << m->pgid << dendl; + return; + } + + pg->queue_peering_event(evt); + pg->unlock(); +} + +void OSD::handle_pg_recovery_reserve(OpRequestRef op) +{ + const MRecoveryReserve *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_RECOVERY_RESERVE); + + if (!require_osd_peer(op->get_req())) + return; + if (!require_same_or_newer_map(op, m->query_epoch, false)) + return; + + PG::CephPeeringEvtRef evt; + if (m->type == MRecoveryReserve::REQUEST) { + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RequestRecovery())); + } else if (m->type == MRecoveryReserve::GRANT) { + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RemoteRecoveryReserved())); + } else if (m->type == MRecoveryReserve::RELEASE) { + evt = PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + m->query_epoch, + m->query_epoch, + PG::RecoveryDone())); + } else { + ceph_abort(); + } + + if (service.splitting(m->pgid)) { + peering_wait_for_split[m->pgid].push_back(evt); + return; + } + + PG *pg = _lookup_lock_pg(m->pgid); + if (!pg) { + dout(10) << " don't have pg " << m->pgid << dendl; + return; + } + + pg->queue_peering_event(evt); + pg->unlock(); +} + +void OSD::handle_force_recovery(Message *m) +{ + MOSDForceRecovery *msg = static_cast(m); + assert(msg->get_type() == MSG_OSD_FORCE_RECOVERY); + + vector local_pgs; + local_pgs.reserve(msg->forced_pgs.size()); + + { + RWLock::RLocker l(pg_map_lock); + for (auto& i : msg->forced_pgs) { + spg_t locpg; + if (osdmap->get_primary_shard(i, &locpg)) { + auto pg_map_entry = pg_map.find(locpg); + if (pg_map_entry != pg_map.end()) { + local_pgs.push_back(pg_map_entry->second); + } + } + } + } + + if (local_pgs.size()) { + service.adjust_pg_priorities(local_pgs, msg->options); + } + + msg->put(); +} + +/** PGQuery + * from primary to replica | stray + * NOTE: called with opqueue active. + */ +void OSD::handle_pg_query(OpRequestRef op) +{ + assert(osd_lock.is_locked()); + + const MOSDPGQuery *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_QUERY); + + if (!require_osd_peer(op->get_req())) + return; + + dout(7) << "handle_pg_query from " << m->get_source() << " epoch " << m->get_epoch() << dendl; + int from = m->get_source().num(); + + if (!require_same_or_newer_map(op, m->get_epoch(), false)) + return; + + op->mark_started(); + + map< int, vector > > notify_list; + + for (auto it = m->pg_list.begin(); + it != m->pg_list.end(); + ++it) { + spg_t pgid = it->first; + + if (pgid.preferred() >= 0) { + dout(10) << "ignoring localized pg " << pgid << dendl; + continue; + } + + if (service.splitting(pgid)) { + peering_wait_for_split[pgid].push_back( + PG::CephPeeringEvtRef( + new PG::CephPeeringEvt( + it->second.epoch_sent, it->second.epoch_sent, + PG::MQuery(pg_shard_t(from, it->second.from), + it->second, it->second.epoch_sent)))); + continue; + } + + { + RWLock::RLocker l(pg_map_lock); + if (pg_map.count(pgid)) { + PG *pg = 0; + pg = _lookup_lock_pg_with_map_lock_held(pgid); + pg->queue_query( + it->second.epoch_sent, it->second.epoch_sent, + pg_shard_t(from, it->second.from), it->second); + pg->unlock(); + continue; + } + } + + if (!osdmap->have_pg_pool(pgid.pool())) + continue; + + // get active crush mapping + int up_primary, acting_primary; + vector up, acting; + osdmap->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &acting_primary); + + // same primary? + pg_history_t history = it->second.history; + bool valid_history = project_pg_history( + pgid, history, it->second.epoch_sent, + up, up_primary, acting, acting_primary); + + if (!valid_history || + it->second.epoch_sent < history.same_interval_since) { + dout(10) << " pg " << pgid << " dne, and pg has changed in " + << history.same_interval_since + << " (msg from " << it->second.epoch_sent << ")" << dendl; + continue; + } + + dout(10) << " pg " << pgid << " dne" << dendl; + pg_info_t empty(spg_t(pgid.pgid, it->second.to)); + /* This is racy, but that should be ok: if we complete the deletion + * before the pg is recreated, we'll just start it off backfilling + * instead of just empty */ + if (service.deleting_pgs.lookup(pgid)) + empty.set_last_backfill(hobject_t()); + if (it->second.type == pg_query_t::LOG || + it->second.type == pg_query_t::FULLLOG) { + ConnectionRef con = service.get_con_osd_cluster(from, osdmap->get_epoch()); + if (con) { + MOSDPGLog *mlog = new MOSDPGLog( + it->second.from, it->second.to, + osdmap->get_epoch(), empty, + it->second.epoch_sent); + service.share_map_peer(from, con.get(), osdmap); + con->send_message(mlog); + } + } else { + notify_list[from].push_back( + make_pair( + pg_notify_t( + it->second.from, it->second.to, + it->second.epoch_sent, + osdmap->get_epoch(), + empty), + PastIntervals( + osdmap->get_pools().at(pgid.pool()).ec_pool(), + *osdmap))); + } + } + do_notifies(notify_list, osdmap); +} + + +void OSD::handle_pg_remove(OpRequestRef op) +{ + const MOSDPGRemove *m = static_cast(op->get_req()); + assert(m->get_type() == MSG_OSD_PG_REMOVE); + assert(osd_lock.is_locked()); + + if (!require_osd_peer(op->get_req())) + return; + + dout(7) << "handle_pg_remove from " << m->get_source() << " on " + << m->pg_list.size() << " pgs" << dendl; + + if (!require_same_or_newer_map(op, m->get_epoch(), false)) + return; + + op->mark_started(); + + for (auto it = m->pg_list.begin(); + it != m->pg_list.end(); + ++it) { + spg_t pgid = *it; + if (pgid.preferred() >= 0) { + dout(10) << "ignoring localized pg " << pgid << dendl; + continue; + } + + RWLock::WLocker l(pg_map_lock); + if (pg_map.count(pgid) == 0) { + dout(10) << " don't have pg " << pgid << dendl; + continue; + } + dout(5) << "queue_pg_for_deletion: " << pgid << dendl; + PG *pg = _lookup_lock_pg_with_map_lock_held(pgid); + pg_history_t history = pg->info.history; + int up_primary, acting_primary; + vector up, acting; + osdmap->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &acting_primary); + bool valid_history = project_pg_history( + pg->info.pgid, history, pg->get_osdmap()->get_epoch(), + up, up_primary, acting, acting_primary); + if (valid_history && + history.same_interval_since <= m->get_epoch()) { + assert(pg->get_primary().osd == m->get_source().num()); + PGRef _pg(pg); + _remove_pg(pg); + pg->unlock(); + } else { + dout(10) << *pg << " ignoring remove request, pg changed in epoch " + << history.same_interval_since + << " > " << m->get_epoch() << dendl; + pg->unlock(); + } + } +} + +void OSD::_remove_pg(PG *pg) +{ + ObjectStore::Transaction rmt ; + + // on_removal, which calls remove_watchers_and_notifies, and the erasure from + // the pg_map must be done together without unlocking the pg lock, + // to avoid racing with watcher cleanup in ms_handle_reset + // and handle_notify_timeout + pg->on_removal(&rmt); + + service.cancel_pending_splits_for_parent(pg->info.pgid); + int tr = store->queue_transaction( + pg->osr.get(), std::move(rmt), NULL, + new ContainerContext< + SequencerRef>(pg->osr)); + assert(tr == 0); + + DeletingStateRef deleting = service.deleting_pgs.lookup_or_create( + pg->info.pgid, + make_pair( + pg->info.pgid, + PGRef(pg)) + ); + remove_wq.queue(make_pair(PGRef(pg), deleting)); + + service.pg_remove_epoch(pg->info.pgid); + + // dereference from op_wq + op_shardedwq.clear_pg_pointer(pg->info.pgid); + + // remove from map + pg_map.erase(pg->info.pgid); + pg->put("PGMap"); // since we've taken it out of map +} + +// ========================================================= +// RECOVERY + +void OSDService::_maybe_queue_recovery() { + assert(recovery_lock.is_locked_by_me()); + uint64_t available_pushes; + while (!awaiting_throttle.empty() && + _recover_now(&available_pushes)) { + uint64_t to_start = MIN( + available_pushes, + cct->_conf->osd_recovery_max_single_start); + _queue_for_recovery(awaiting_throttle.front(), to_start); + awaiting_throttle.pop_front(); + recovery_ops_reserved += to_start; + } +} + +bool OSDService::_recover_now(uint64_t *available_pushes) +{ + if (available_pushes) + *available_pushes = 0; + + if (ceph_clock_now() < defer_recovery_until) { + dout(15) << __func__ << " defer until " << defer_recovery_until << dendl; + return false; + } + + if (recovery_paused) { + dout(15) << __func__ << " paused" << dendl; + return false; + } + + uint64_t max = cct->_conf->osd_recovery_max_active; + if (max <= recovery_ops_active + recovery_ops_reserved) { + dout(15) << __func__ << " active " << recovery_ops_active + << " + reserved " << recovery_ops_reserved + << " >= max " << max << dendl; + return false; + } + + if (available_pushes) + *available_pushes = max - recovery_ops_active - recovery_ops_reserved; + + return true; +} + + +void OSDService::adjust_pg_priorities(const vector& pgs, int newflags) +{ + if (!pgs.size() || !(newflags & (OFR_BACKFILL | OFR_RECOVERY))) + return; + int newstate = 0; + + if (newflags & OFR_BACKFILL) { + newstate = PG_STATE_FORCED_BACKFILL; + } else if (newflags & OFR_RECOVERY) { + newstate = PG_STATE_FORCED_RECOVERY; + } + + // debug output here may get large, don't generate it if debug level is below + // 10 and use abbreviated pg ids otherwise + if ((cct)->_conf->subsys.should_gather(ceph_subsys_osd, 10)) { + stringstream ss; + + for (auto& i : pgs) { + ss << i->get_pgid() << " "; + } + + dout(10) << __func__ << " working on " << ss.str() << dendl; + } + + if (newflags & OFR_CANCEL) { + for (auto& i : pgs) { + i->lock(); + i->_change_recovery_force_mode(newstate, true); + i->unlock(); + } + } else { + for (auto& i : pgs) { + // make sure the PG is in correct state before forcing backfill or recovery, or + // else we'll make PG keeping FORCE_* flag forever, requiring osds restart + // or forcing somehow recovery/backfill. + i->lock(); + int pgstate = i->get_state(); + if ( ((newstate == PG_STATE_FORCED_RECOVERY) && (pgstate & (PG_STATE_DEGRADED | PG_STATE_RECOVERY_WAIT | PG_STATE_RECOVERING))) || + ((newstate == PG_STATE_FORCED_BACKFILL) && (pgstate & (PG_STATE_DEGRADED | PG_STATE_BACKFILL_WAIT | PG_STATE_BACKFILLING))) ) + i->_change_recovery_force_mode(newstate, false); + i->unlock(); + } + } +} + +void OSD::do_recovery( + PG *pg, epoch_t queued, uint64_t reserved_pushes, + ThreadPool::TPHandle &handle) +{ + uint64_t started = 0; + + /* + * When the value of osd_recovery_sleep is set greater than zero, recovery + * ops are scheduled after osd_recovery_sleep amount of time from the previous + * recovery event's schedule time. This is done by adding a + * recovery_requeue_callback event, which re-queues the recovery op using + * queue_recovery_after_sleep. + */ + float recovery_sleep = get_osd_recovery_sleep(); + if (recovery_sleep > 0 && service.recovery_needs_sleep) { + PGRef pgref(pg); + auto recovery_requeue_callback = new FunctionContext([this, pgref, queued, reserved_pushes](int r) { + dout(20) << "do_recovery wake up at " + << ceph_clock_now() + << ", re-queuing recovery" << dendl; + service.recovery_needs_sleep = false; + service.queue_recovery_after_sleep(pgref.get(), queued, reserved_pushes); + }); + Mutex::Locker l(service.recovery_sleep_lock); + + // This is true for the first recovery op and when the previous recovery op + // has been scheduled in the past. The next recovery op is scheduled after + // completing the sleep from now. + if (service.recovery_schedule_time < ceph_clock_now()) { + service.recovery_schedule_time = ceph_clock_now(); + } + service.recovery_schedule_time += recovery_sleep; + service.recovery_sleep_timer.add_event_at(service.recovery_schedule_time, + recovery_requeue_callback); + dout(20) << "Recovery event scheduled at " + << service.recovery_schedule_time << dendl; + return; + } + + { + service.recovery_needs_sleep = true; + if (pg->pg_has_reset_since(queued)) { + goto out; + } + + assert(!pg->deleting); + assert(pg->is_peered() && pg->is_primary()); + + assert(pg->recovery_queued); + pg->recovery_queued = false; + + dout(10) << "do_recovery starting " << reserved_pushes << " " << *pg << dendl; +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active was " << service.recovery_oids[pg->info.pgid] << dendl; +#endif + + bool more = pg->start_recovery_ops(reserved_pushes, handle, &started); + dout(10) << "do_recovery started " << started << "/" << reserved_pushes + << " on " << *pg << dendl; + + // If no recovery op is started, don't bother to manipulate the RecoveryCtx + if (!started && (more || !pg->have_unfound())) { + goto out; + } + + PG::RecoveryCtx rctx = create_context(); + rctx.handle = &handle; + + /* + * if we couldn't start any recovery ops and things are still + * unfound, see if we can discover more missing object locations. + * It may be that our initial locations were bad and we errored + * out while trying to pull. + */ + if (!more && pg->have_unfound()) { + pg->discover_all_missing(*rctx.query_map); + if (rctx.query_map->empty()) { + string action; + if (pg->state_test(PG_STATE_BACKFILLING)) { + auto evt = PG::CephPeeringEvtRef(new PG::CephPeeringEvt( + queued, + queued, + PG::DeferBackfill(cct->_conf->osd_recovery_retry_interval))); + pg->queue_peering_event(evt); + action = "in backfill"; + } else if (pg->state_test(PG_STATE_RECOVERING)) { + auto evt = PG::CephPeeringEvtRef(new PG::CephPeeringEvt( + queued, + queued, + PG::DeferRecovery(cct->_conf->osd_recovery_retry_interval))); + pg->queue_peering_event(evt); + action = "in recovery"; + } else { + action = "already out of recovery/backfill"; + } + dout(10) << __func__ << ": no luck, giving up on this pg for now (" << action << ")" << dendl; + } else { + dout(10) << __func__ << ": no luck, giving up on this pg for now (queue_recovery)" << dendl; + pg->queue_recovery(); + } + } + + pg->write_if_dirty(*rctx.transaction); + OSDMapRef curmap = pg->get_osdmap(); + dispatch_context(rctx, pg, curmap); + } + + out: + assert(started <= reserved_pushes); + service.release_reserved_pushes(reserved_pushes); +} + +void OSDService::start_recovery_op(PG *pg, const hobject_t& soid) +{ + Mutex::Locker l(recovery_lock); + dout(10) << "start_recovery_op " << *pg << " " << soid + << " (" << recovery_ops_active << "/" + << cct->_conf->osd_recovery_max_active << " rops)" + << dendl; + recovery_ops_active++; + +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active was " << recovery_oids[pg->info.pgid] << dendl; + assert(recovery_oids[pg->info.pgid].count(soid) == 0); + recovery_oids[pg->info.pgid].insert(soid); +#endif +} + +void OSDService::finish_recovery_op(PG *pg, const hobject_t& soid, bool dequeue) +{ + Mutex::Locker l(recovery_lock); + dout(10) << "finish_recovery_op " << *pg << " " << soid + << " dequeue=" << dequeue + << " (" << recovery_ops_active << "/" << cct->_conf->osd_recovery_max_active << " rops)" + << dendl; + + // adjust count + assert(recovery_ops_active > 0); + recovery_ops_active--; + +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active oids was " << recovery_oids[pg->info.pgid] << dendl; + assert(recovery_oids[pg->info.pgid].count(soid)); + recovery_oids[pg->info.pgid].erase(soid); +#endif + + _maybe_queue_recovery(); +} + +bool OSDService::is_recovery_active() +{ + return local_reserver.has_reservation() || remote_reserver.has_reservation(); +} + +// ========================================================= +// OPS + +bool OSD::op_is_discardable(const MOSDOp *op) +{ + // drop client request if they are not connected and can't get the + // reply anyway. + if (!op->get_connection()->is_connected()) { + return true; + } + return false; +} + +void OSD::enqueue_op(spg_t pg, OpRequestRef& op, epoch_t epoch) +{ + utime_t latency = ceph_clock_now() - op->get_req()->get_recv_stamp(); + dout(15) << "enqueue_op " << op << " prio " << op->get_req()->get_priority() + << " cost " << op->get_req()->get_cost() + << " latency " << latency + << " epoch " << epoch + << " " << *(op->get_req()) << dendl; + op->osd_trace.event("enqueue op"); + op->osd_trace.keyval("priority", op->get_req()->get_priority()); + op->osd_trace.keyval("cost", op->get_req()->get_cost()); + op->mark_queued_for_pg(); + logger->tinc(l_osd_op_before_queue_op_lat, latency); + op_shardedwq.queue(make_pair(pg, PGQueueable(op, epoch))); +} + + + +/* + * NOTE: dequeue called in worker thread, with pg lock + */ +void OSD::dequeue_op( + PGRef pg, OpRequestRef op, + ThreadPool::TPHandle &handle) +{ + FUNCTRACE(); + OID_EVENT_TRACE_WITH_MSG(op->get_req(), "DEQUEUE_OP_BEGIN", false); + + utime_t now = ceph_clock_now(); + op->set_dequeued_time(now); + utime_t latency = now - op->get_req()->get_recv_stamp(); + dout(10) << "dequeue_op " << op << " prio " << op->get_req()->get_priority() + << " cost " << op->get_req()->get_cost() + << " latency " << latency + << " " << *(op->get_req()) + << " pg " << *pg << dendl; + + logger->tinc(l_osd_op_before_dequeue_op_lat, latency); + + Session *session = static_cast( + op->get_req()->get_connection()->get_priv()); + if (session) { + maybe_share_map(session, op, pg->get_osdmap()); + session->put(); + } + + if (pg->deleting) + return; + + op->mark_reached_pg(); + op->osd_trace.event("dequeue_op"); + + pg->do_request(op, handle); + + // finish + dout(10) << "dequeue_op " << op << " finish" << dendl; + OID_EVENT_TRACE_WITH_MSG(op->get_req(), "DEQUEUE_OP_END", false); +} + + +struct C_CompleteSplits : public Context { + OSD *osd; + set pgs; + C_CompleteSplits(OSD *osd, const set &in) + : osd(osd), pgs(in) {} + void finish(int r) override { + Mutex::Locker l(osd->osd_lock); + if (osd->is_stopping()) + return; + PG::RecoveryCtx rctx = osd->create_context(); + for (set::iterator i = pgs.begin(); + i != pgs.end(); + ++i) { + osd->pg_map_lock.get_write(); + (*i)->lock(); + PG *pg = i->get(); + osd->add_newly_split_pg(pg, &rctx); + if (!((*i)->deleting)) { + set to_complete; + to_complete.insert((*i)->info.pgid); + osd->service.complete_split(to_complete); + } + osd->pg_map_lock.put_write(); + osd->dispatch_context_transaction(rctx, pg); + osd->wake_pg_waiters(*i); + (*i)->unlock(); + } + + osd->dispatch_context(rctx, 0, osd->service.get_osdmap()); + } +}; + +void OSD::process_peering_events( + const list &pgs, + ThreadPool::TPHandle &handle + ) +{ + bool need_up_thru = false; + epoch_t same_interval_since = 0; + OSDMapRef curmap; + PG::RecoveryCtx rctx = create_context(); + rctx.handle = &handle; + for (list::const_iterator i = pgs.begin(); + i != pgs.end(); + ++i) { + set split_pgs; + PG *pg = *i; + pg->lock_suspend_timeout(handle); + curmap = service.get_osdmap(); + if (pg->deleting) { + pg->unlock(); + continue; + } + if (!advance_pg(curmap->get_epoch(), pg, handle, &rctx, &split_pgs)) { + // we need to requeue the PG explicitly since we didn't actually + // handle an event + peering_wq.queue(pg); + } else { + assert(!pg->peering_queue.empty()); + PG::CephPeeringEvtRef evt = pg->peering_queue.front(); + pg->peering_queue.pop_front(); + pg->handle_peering_event(evt, &rctx); + } + need_up_thru = pg->need_up_thru || need_up_thru; + same_interval_since = MAX(pg->info.history.same_interval_since, + same_interval_since); + pg->write_if_dirty(*rctx.transaction); + if (!split_pgs.empty()) { + rctx.on_applied->add(new C_CompleteSplits(this, split_pgs)); + split_pgs.clear(); + } + dispatch_context_transaction(rctx, pg, &handle); + pg->unlock(); + } + if (need_up_thru) + queue_want_up_thru(same_interval_since); + dispatch_context(rctx, 0, curmap, &handle); + + service.send_pg_temp(); +} + +// -------------------------------- + +const char** OSD::get_tracked_conf_keys() const +{ + static const char* KEYS[] = { + "osd_max_backfills", + "osd_min_recovery_priority", + "osd_max_trimming_pgs", + "osd_op_complaint_time", + "osd_op_log_threshold", + "osd_op_history_size", + "osd_op_history_duration", + "osd_op_history_slow_op_size", + "osd_op_history_slow_op_threshold", + "osd_enable_op_tracker", + "osd_map_cache_size", + "osd_map_max_advance", + "osd_pg_epoch_persisted_max_stale", + "osd_disk_thread_ioprio_class", + "osd_disk_thread_ioprio_priority", + // clog & admin clog + "clog_to_monitors", + "clog_to_syslog", + "clog_to_syslog_facility", + "clog_to_syslog_level", + "osd_objectstore_fuse", + "clog_to_graylog", + "clog_to_graylog_host", + "clog_to_graylog_port", + "host", + "fsid", + "osd_recovery_delay_start", + "osd_client_message_size_cap", + "osd_client_message_cap", + "osd_heartbeat_min_size", + "osd_heartbeat_interval", + NULL + }; + return KEYS; +} + +void OSD::handle_conf_change(const struct md_config_t *conf, + const std::set &changed) +{ + if (changed.count("osd_max_backfills")) { + service.local_reserver.set_max(cct->_conf->osd_max_backfills); + service.remote_reserver.set_max(cct->_conf->osd_max_backfills); + } + if (changed.count("osd_min_recovery_priority")) { + service.local_reserver.set_min_priority(cct->_conf->osd_min_recovery_priority); + service.remote_reserver.set_min_priority(cct->_conf->osd_min_recovery_priority); + } + if (changed.count("osd_max_trimming_pgs")) { + service.snap_reserver.set_max(cct->_conf->osd_max_trimming_pgs); + } + if (changed.count("osd_op_complaint_time") || + changed.count("osd_op_log_threshold")) { + op_tracker.set_complaint_and_threshold(cct->_conf->osd_op_complaint_time, + cct->_conf->osd_op_log_threshold); + } + if (changed.count("osd_op_history_size") || + changed.count("osd_op_history_duration")) { + op_tracker.set_history_size_and_duration(cct->_conf->osd_op_history_size, + cct->_conf->osd_op_history_duration); + } + if (changed.count("osd_op_history_slow_op_size") || + changed.count("osd_op_history_slow_op_threshold")) { + op_tracker.set_history_slow_op_size_and_threshold(cct->_conf->osd_op_history_slow_op_size, + cct->_conf->osd_op_history_slow_op_threshold); + } + if (changed.count("osd_enable_op_tracker")) { + op_tracker.set_tracking(cct->_conf->osd_enable_op_tracker); + } + if (changed.count("osd_disk_thread_ioprio_class") || + changed.count("osd_disk_thread_ioprio_priority")) { + set_disk_tp_priority(); + } + if (changed.count("osd_map_cache_size")) { + service.map_cache.set_size(cct->_conf->osd_map_cache_size); + service.map_bl_cache.set_size(cct->_conf->osd_map_cache_size); + service.map_bl_inc_cache.set_size(cct->_conf->osd_map_cache_size); + } + if (changed.count("clog_to_monitors") || + changed.count("clog_to_syslog") || + changed.count("clog_to_syslog_level") || + changed.count("clog_to_syslog_facility") || + changed.count("clog_to_graylog") || + changed.count("clog_to_graylog_host") || + changed.count("clog_to_graylog_port") || + changed.count("host") || + changed.count("fsid")) { + update_log_config(); + } + +#ifdef HAVE_LIBFUSE + if (changed.count("osd_objectstore_fuse")) { + if (store) { + enable_disable_fuse(false); + } + } +#endif + + if (changed.count("osd_recovery_delay_start")) { + service.defer_recovery(cct->_conf->osd_recovery_delay_start); + service.kick_recovery_queue(); + } + + if (changed.count("osd_client_message_cap")) { + uint64_t newval = cct->_conf->osd_client_message_cap; + Messenger::Policy pol = client_messenger->get_policy(entity_name_t::TYPE_CLIENT); + if (pol.throttler_messages && newval > 0) { + pol.throttler_messages->reset_max(newval); + } + } + if (changed.count("osd_client_message_size_cap")) { + uint64_t newval = cct->_conf->osd_client_message_size_cap; + Messenger::Policy pol = client_messenger->get_policy(entity_name_t::TYPE_CLIENT); + if (pol.throttler_bytes && newval > 0) { + pol.throttler_bytes->reset_max(newval); + } + } + + check_config(); +} + +void OSD::update_log_config() +{ + map log_to_monitors; + map log_to_syslog; + map log_channel; + map log_prio; + map log_to_graylog; + map log_to_graylog_host; + map log_to_graylog_port; + uuid_d fsid; + string host; + + if (parse_log_client_options(cct, log_to_monitors, log_to_syslog, + log_channel, log_prio, log_to_graylog, + log_to_graylog_host, log_to_graylog_port, + fsid, host) == 0) + clog->update_config(log_to_monitors, log_to_syslog, + log_channel, log_prio, log_to_graylog, + log_to_graylog_host, log_to_graylog_port, + fsid, host); + derr << "log_to_monitors " << log_to_monitors << dendl; +} + +void OSD::check_config() +{ + // some sanity checks + if (cct->_conf->osd_map_cache_size <= cct->_conf->osd_map_max_advance + 2) { + clog->warn() << "osd_map_cache_size (" << cct->_conf->osd_map_cache_size << ")" + << " is not > osd_map_max_advance (" + << cct->_conf->osd_map_max_advance << ")"; + } + if (cct->_conf->osd_map_cache_size <= (int)cct->_conf->osd_pg_epoch_persisted_max_stale + 2) { + clog->warn() << "osd_map_cache_size (" << cct->_conf->osd_map_cache_size << ")" + << " is not > osd_pg_epoch_persisted_max_stale (" + << cct->_conf->osd_pg_epoch_persisted_max_stale << ")"; + } +} + +void OSD::set_disk_tp_priority() +{ + dout(10) << __func__ + << " class " << cct->_conf->osd_disk_thread_ioprio_class + << " priority " << cct->_conf->osd_disk_thread_ioprio_priority + << dendl; + if (cct->_conf->osd_disk_thread_ioprio_class.empty() || + cct->_conf->osd_disk_thread_ioprio_priority < 0) + return; + int cls = + ceph_ioprio_string_to_class(cct->_conf->osd_disk_thread_ioprio_class); + if (cls < 0) + derr << __func__ << cpp_strerror(cls) << ": " + << "osd_disk_thread_ioprio_class is " << cct->_conf->osd_disk_thread_ioprio_class + << " but only the following values are allowed: idle, be or rt" << dendl; + else + disk_tp.set_ioprio(cls, cct->_conf->osd_disk_thread_ioprio_priority); +} + +// -------------------------------- + +void OSD::get_latest_osdmap() +{ + dout(10) << __func__ << " -- start" << dendl; + + C_SaferCond cond; + service.objecter->wait_for_latest_osdmap(&cond); + cond.wait(); + + dout(10) << __func__ << " -- finish" << dendl; +} + +// -------------------------------- + +int OSD::init_op_flags(OpRequestRef& op) +{ + const MOSDOp *m = static_cast(op->get_req()); + vector::const_iterator iter; + + // client flags have no bearing on whether an op is a read, write, etc. + op->rmw_flags = 0; + + if (m->has_flag(CEPH_OSD_FLAG_RWORDERED)) { + op->set_force_rwordered(); + } + + // set bits based on op codes, called methods. + for (iter = m->ops.begin(); iter != m->ops.end(); ++iter) { + if ((iter->op.op == CEPH_OSD_OP_WATCH && + iter->op.watch.op == CEPH_OSD_WATCH_OP_PING)) { + /* This a bit odd. PING isn't actually a write. It can't + * result in an update to the object_info. PINGs also aren'ty + * resent, so there's no reason to write out a log entry + * + * However, we pipeline them behind writes, so let's force + * the write_ordered flag. + */ + op->set_force_rwordered(); + } else { + if (ceph_osd_op_mode_modify(iter->op.op)) + op->set_write(); + } + if (ceph_osd_op_mode_read(iter->op.op)) + op->set_read(); + + // set READ flag if there are src_oids + if (iter->soid.oid.name.length()) + op->set_read(); + + // set PGOP flag if there are PG ops + if (ceph_osd_op_type_pg(iter->op.op)) + op->set_pg_op(); + + if (ceph_osd_op_mode_cache(iter->op.op)) + op->set_cache(); + + // check for ec base pool + int64_t poolid = m->get_pg().pool(); + const pg_pool_t *pool = osdmap->get_pg_pool(poolid); + if (pool && pool->is_tier()) { + const pg_pool_t *base_pool = osdmap->get_pg_pool(pool->tier_of); + if (base_pool && base_pool->require_rollback()) { + if ((iter->op.op != CEPH_OSD_OP_READ) && + (iter->op.op != CEPH_OSD_OP_CHECKSUM) && + (iter->op.op != CEPH_OSD_OP_CMPEXT) && + (iter->op.op != CEPH_OSD_OP_STAT) && + (iter->op.op != CEPH_OSD_OP_ISDIRTY) && + (iter->op.op != CEPH_OSD_OP_UNDIRTY) && + (iter->op.op != CEPH_OSD_OP_GETXATTR) && + (iter->op.op != CEPH_OSD_OP_GETXATTRS) && + (iter->op.op != CEPH_OSD_OP_CMPXATTR) && + (iter->op.op != CEPH_OSD_OP_ASSERT_VER) && + (iter->op.op != CEPH_OSD_OP_LIST_WATCHERS) && + (iter->op.op != CEPH_OSD_OP_LIST_SNAPS) && + (iter->op.op != CEPH_OSD_OP_SETALLOCHINT) && + (iter->op.op != CEPH_OSD_OP_WRITEFULL) && + (iter->op.op != CEPH_OSD_OP_ROLLBACK) && + (iter->op.op != CEPH_OSD_OP_CREATE) && + (iter->op.op != CEPH_OSD_OP_DELETE) && + (iter->op.op != CEPH_OSD_OP_SETXATTR) && + (iter->op.op != CEPH_OSD_OP_RMXATTR) && + (iter->op.op != CEPH_OSD_OP_STARTSYNC) && + (iter->op.op != CEPH_OSD_OP_COPY_GET) && + (iter->op.op != CEPH_OSD_OP_COPY_FROM)) { + op->set_promote(); + } + } + } + + switch (iter->op.op) { + case CEPH_OSD_OP_CALL: + { + bufferlist::iterator bp = const_cast(iter->indata).begin(); + int is_write, is_read; + string cname, mname; + bp.copy(iter->op.cls.class_len, cname); + bp.copy(iter->op.cls.method_len, mname); + + ClassHandler::ClassData *cls; + int r = class_handler->open_class(cname, &cls); + if (r) { + derr << "class " << cname << " open got " << cpp_strerror(r) << dendl; + if (r == -ENOENT) + r = -EOPNOTSUPP; + else if (r != -EPERM) // propagate permission errors + r = -EIO; + return r; + } + int flags = cls->get_method_flags(mname.c_str()); + if (flags < 0) { + if (flags == -ENOENT) + r = -EOPNOTSUPP; + else + r = flags; + return r; + } + is_read = flags & CLS_METHOD_RD; + is_write = flags & CLS_METHOD_WR; + bool is_promote = flags & CLS_METHOD_PROMOTE; + + dout(10) << "class " << cname << " method " << mname << " " + << "flags=" << (is_read ? "r" : "") + << (is_write ? "w" : "") + << (is_promote ? "p" : "") + << dendl; + if (is_read) + op->set_class_read(); + if (is_write) + op->set_class_write(); + if (is_promote) + op->set_promote(); + op->add_class(cname, is_read, is_write, cls->whitelisted); + break; + } + + case CEPH_OSD_OP_WATCH: + // force the read bit for watch since it is depends on previous + // watch state (and may return early if the watch exists) or, in + // the case of ping, is simply a read op. + op->set_read(); + // fall through + case CEPH_OSD_OP_NOTIFY: + case CEPH_OSD_OP_NOTIFY_ACK: + { + op->set_promote(); + break; + } + + case CEPH_OSD_OP_DELETE: + // if we get a delete with FAILOK we can skip handle cache. without + // FAILOK we still need to promote (or do something smarter) to + // determine whether to return ENOENT or 0. + if (iter == m->ops.begin() && + iter->op.flags == CEPH_OSD_OP_FLAG_FAILOK) { + op->set_skip_handle_cache(); + } + // skip promotion when proxying a delete op + if (m->ops.size() == 1) { + op->set_skip_promote(); + } + break; + + case CEPH_OSD_OP_CACHE_TRY_FLUSH: + case CEPH_OSD_OP_CACHE_FLUSH: + case CEPH_OSD_OP_CACHE_EVICT: + // If try_flush/flush/evict is the only op, can skip handle cache. + if (m->ops.size() == 1) { + op->set_skip_handle_cache(); + } + break; + + case CEPH_OSD_OP_READ: + case CEPH_OSD_OP_SYNC_READ: + case CEPH_OSD_OP_SPARSE_READ: + case CEPH_OSD_OP_CHECKSUM: + case CEPH_OSD_OP_WRITEFULL: + if (m->ops.size() == 1 && + (iter->op.flags & CEPH_OSD_OP_FLAG_FADVISE_NOCACHE || + iter->op.flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED)) { + op->set_skip_promote(); + } + break; + + // force promotion when pin an object in cache tier + case CEPH_OSD_OP_CACHE_PIN: + op->set_promote(); + break; + + default: + break; + } + } + + if (op->rmw_flags == 0) + return -EINVAL; + + return 0; +} + +void OSD::PeeringWQ::_dequeue(list *out) { + for (list::iterator i = peering_queue.begin(); + i != peering_queue.end() && + out->size() < osd->cct->_conf->osd_peering_wq_batch_size; + ) { + if (in_use.count(*i)) { + ++i; + } else { + out->push_back(*i); + peering_queue.erase(i++); + } + } + in_use.insert(out->begin(), out->end()); +} + + +// ============================================================= + +#undef dout_context +#define dout_context osd->cct +#undef dout_prefix +#define dout_prefix *_dout << "osd." << osd->whoami << " op_wq " + +void OSD::ShardedOpWQ::wake_pg_waiters(spg_t pgid) +{ + uint32_t shard_index = pgid.hash_to_shard(shard_list.size()); + auto sdata = shard_list[shard_index]; + bool queued = false; + unsigned pushes_to_free = 0; + { + Mutex::Locker l(sdata->sdata_op_ordering_lock); + auto p = sdata->pg_slots.find(pgid); + if (p != sdata->pg_slots.end()) { + dout(20) << __func__ << " " << pgid + << " to_process " << p->second.to_process + << " waiting_for_pg=" << (int)p->second.waiting_for_pg << dendl; + for (auto i = p->second.to_process.rbegin(); + i != p->second.to_process.rend(); + ++i) { + sdata->_enqueue_front(make_pair(pgid, *i), osd->op_prio_cutoff); + } + for (auto& q : p->second.to_process) { + pushes_to_free += q.get_reserved_pushes(); + } + p->second.to_process.clear(); + p->second.waiting_for_pg = false; + ++p->second.requeue_seq; + queued = true; + } + } + if (pushes_to_free > 0) { + osd->service.release_reserved_pushes(pushes_to_free); + } + if (queued) { + sdata->sdata_lock.Lock(); + sdata->sdata_cond.SignalOne(); + sdata->sdata_lock.Unlock(); + } +} + +void OSD::ShardedOpWQ::prune_pg_waiters(OSDMapRef osdmap, int whoami) +{ + unsigned pushes_to_free = 0; + for (auto sdata : shard_list) { + Mutex::Locker l(sdata->sdata_op_ordering_lock); + sdata->waiting_for_pg_osdmap = osdmap; + auto p = sdata->pg_slots.begin(); + while (p != sdata->pg_slots.end()) { + ShardData::pg_slot& slot = p->second; + if (!slot.to_process.empty() && slot.num_running == 0) { + if (osdmap->is_up_acting_osd_shard(p->first, whoami)) { + dout(20) << __func__ << " " << p->first << " maps to us, keeping" + << dendl; + ++p; + continue; + } + while (!slot.to_process.empty() && + slot.to_process.front().get_map_epoch() <= osdmap->get_epoch()) { + auto& qi = slot.to_process.front(); + dout(20) << __func__ << " " << p->first + << " item " << qi + << " epoch " << qi.get_map_epoch() + << " <= " << osdmap->get_epoch() + << ", stale, dropping" << dendl; + pushes_to_free += qi.get_reserved_pushes(); + slot.to_process.pop_front(); + } + } + if (slot.to_process.empty() && + slot.num_running == 0 && + !slot.pg) { + dout(20) << __func__ << " " << p->first << " empty, pruning" << dendl; + p = sdata->pg_slots.erase(p); + } else { + ++p; + } + } + } + if (pushes_to_free > 0) { + osd->service.release_reserved_pushes(pushes_to_free); + } +} + +void OSD::ShardedOpWQ::clear_pg_pointer(spg_t pgid) +{ + uint32_t shard_index = pgid.hash_to_shard(shard_list.size()); + auto sdata = shard_list[shard_index]; + Mutex::Locker l(sdata->sdata_op_ordering_lock); + auto p = sdata->pg_slots.find(pgid); + if (p != sdata->pg_slots.end()) { + auto& slot = p->second; + dout(20) << __func__ << " " << pgid << " pg " << slot.pg << dendl; + assert(!slot.pg || slot.pg->deleting); + slot.pg = nullptr; + } +} + +void OSD::ShardedOpWQ::clear_pg_slots() +{ + for (auto sdata : shard_list) { + Mutex::Locker l(sdata->sdata_op_ordering_lock); + sdata->pg_slots.clear(); + sdata->waiting_for_pg_osdmap.reset(); + // don't bother with reserved pushes; we are shutting down + } +} + +#undef dout_prefix +#define dout_prefix *_dout << "osd." << osd->whoami << " op_wq(" << shard_index << ") " + +void OSD::ShardedOpWQ::_process(uint32_t thread_index, heartbeat_handle_d *hb) +{ + uint32_t shard_index = thread_index % num_shards; + ShardData *sdata = shard_list[shard_index]; + assert(NULL != sdata); + + // peek at spg_t + sdata->sdata_op_ordering_lock.Lock(); + if (sdata->pqueue->empty()) { + dout(20) << __func__ << " empty q, waiting" << dendl; + // optimistically sleep a moment; maybe another work item will come along. + osd->cct->get_heartbeat_map()->reset_timeout(hb, + osd->cct->_conf->threadpool_default_timeout, 0); + sdata->sdata_lock.Lock(); + sdata->sdata_op_ordering_lock.Unlock(); + sdata->sdata_cond.WaitInterval(sdata->sdata_lock, + utime_t(osd->cct->_conf->threadpool_empty_queue_max_wait, 0)); + sdata->sdata_lock.Unlock(); + sdata->sdata_op_ordering_lock.Lock(); + if (sdata->pqueue->empty()) { + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + } + pair item = sdata->pqueue->dequeue(); + if (osd->is_stopping()) { + sdata->sdata_op_ordering_lock.Unlock(); + return; // OSD shutdown, discard. + } + PGRef pg; + uint64_t requeue_seq; + { + auto& slot = sdata->pg_slots[item.first]; + dout(30) << __func__ << " " << item.first + << " to_process " << slot.to_process + << " waiting_for_pg=" << (int)slot.waiting_for_pg << dendl; + slot.to_process.push_back(item.second); + // note the requeue seq now... + requeue_seq = slot.requeue_seq; + if (slot.waiting_for_pg) { + // save ourselves a bit of effort + dout(20) << __func__ << " " << item.first << " item " << item.second + << " queued, waiting_for_pg" << dendl; + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + pg = slot.pg; + dout(20) << __func__ << " " << item.first << " item " << item.second + << " queued" << dendl; + ++slot.num_running; + } + sdata->sdata_op_ordering_lock.Unlock(); + + osd->service.maybe_inject_dispatch_delay(); + + // [lookup +] lock pg (if we have it) + if (!pg) { + pg = osd->_lookup_lock_pg(item.first); + } else { + pg->lock(); + } + + osd->service.maybe_inject_dispatch_delay(); + + boost::optional qi; + + // we don't use a Mutex::Locker here because of the + // osd->service.release_reserved_pushes() call below + sdata->sdata_op_ordering_lock.Lock(); + + auto q = sdata->pg_slots.find(item.first); + assert(q != sdata->pg_slots.end()); + auto& slot = q->second; + --slot.num_running; + + if (slot.to_process.empty()) { + // raced with wake_pg_waiters or prune_pg_waiters + dout(20) << __func__ << " " << item.first << " nothing queued" << dendl; + if (pg) { + pg->unlock(); + } + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + if (requeue_seq != slot.requeue_seq) { + dout(20) << __func__ << " " << item.first + << " requeue_seq " << slot.requeue_seq << " > our " + << requeue_seq << ", we raced with wake_pg_waiters" + << dendl; + if (pg) { + pg->unlock(); + } + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + if (pg && !slot.pg && !pg->deleting) { + dout(20) << __func__ << " " << item.first << " set pg to " << pg << dendl; + slot.pg = pg; + } + dout(30) << __func__ << " " << item.first << " to_process " << slot.to_process + << " waiting_for_pg=" << (int)slot.waiting_for_pg << dendl; + + // make sure we're not already waiting for this pg + if (slot.waiting_for_pg) { + dout(20) << __func__ << " " << item.first << " item " << item.second + << " slot is waiting_for_pg" << dendl; + if (pg) { + pg->unlock(); + } + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + + // take next item + qi = slot.to_process.front(); + slot.to_process.pop_front(); + dout(20) << __func__ << " " << item.first << " item " << *qi + << " pg " << pg << dendl; + + if (!pg) { + // should this pg shard exist on this osd in this (or a later) epoch? + OSDMapRef osdmap = sdata->waiting_for_pg_osdmap; + if (osdmap->is_up_acting_osd_shard(item.first, osd->whoami)) { + dout(20) << __func__ << " " << item.first + << " no pg, should exist, will wait" << " on " << *qi << dendl; + slot.to_process.push_front(*qi); + slot.waiting_for_pg = true; + } else if (qi->get_map_epoch() > osdmap->get_epoch()) { + dout(20) << __func__ << " " << item.first << " no pg, item epoch is " + << qi->get_map_epoch() << " > " << osdmap->get_epoch() + << ", will wait on " << *qi << dendl; + slot.to_process.push_front(*qi); + slot.waiting_for_pg = true; + } else { + dout(20) << __func__ << " " << item.first << " no pg, shouldn't exist," + << " dropping " << *qi << dendl; + // share map with client? + if (boost::optional _op = qi->maybe_get_op()) { + Session *session = static_cast( + (*_op)->get_req()->get_connection()->get_priv()); + if (session) { + osd->maybe_share_map(session, *_op, sdata->waiting_for_pg_osdmap); + session->put(); + } + } + unsigned pushes_to_free = qi->get_reserved_pushes(); + if (pushes_to_free > 0) { + sdata->sdata_op_ordering_lock.Unlock(); + osd->service.release_reserved_pushes(pushes_to_free); + return; + } + } + sdata->sdata_op_ordering_lock.Unlock(); + return; + } + sdata->sdata_op_ordering_lock.Unlock(); + + + // osd_opwq_process marks the point at which an operation has been dequeued + // and will begin to be handled by a worker thread. + { +#ifdef WITH_LTTNG + osd_reqid_t reqid; + if (boost::optional _op = qi->maybe_get_op()) { + reqid = (*_op)->get_reqid(); + } +#endif + tracepoint(osd, opwq_process_start, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + + lgeneric_subdout(osd->cct, osd, 30) << "dequeue status: "; + Formatter *f = Formatter::create("json"); + f->open_object_section("q"); + dump(f); + f->close_section(); + f->flush(*_dout); + delete f; + *_dout << dendl; + + ThreadPool::TPHandle tp_handle(osd->cct, hb, timeout_interval, + suicide_interval); + qi->run(osd, pg, tp_handle); + + { +#ifdef WITH_LTTNG + osd_reqid_t reqid; + if (boost::optional _op = qi->maybe_get_op()) { + reqid = (*_op)->get_reqid(); + } +#endif + tracepoint(osd, opwq_process_finish, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + + pg->unlock(); +} + +void OSD::ShardedOpWQ::_enqueue(pair item) { + uint32_t shard_index = + item.first.hash_to_shard(shard_list.size()); + + ShardData* sdata = shard_list[shard_index]; + assert (NULL != sdata); + unsigned priority = item.second.get_priority(); + unsigned cost = item.second.get_cost(); + sdata->sdata_op_ordering_lock.Lock(); + + dout(20) << __func__ << " " << item.first << " " << item.second << dendl; + if (priority >= osd->op_prio_cutoff) + sdata->pqueue->enqueue_strict( + item.second.get_owner(), priority, item); + else + sdata->pqueue->enqueue( + item.second.get_owner(), + priority, cost, item); + sdata->sdata_op_ordering_lock.Unlock(); + + sdata->sdata_lock.Lock(); + sdata->sdata_cond.SignalOne(); + sdata->sdata_lock.Unlock(); + +} + +void OSD::ShardedOpWQ::_enqueue_front(pair item) +{ + uint32_t shard_index = item.first.hash_to_shard(shard_list.size()); + ShardData* sdata = shard_list[shard_index]; + assert (NULL != sdata); + sdata->sdata_op_ordering_lock.Lock(); + auto p = sdata->pg_slots.find(item.first); + if (p != sdata->pg_slots.end() && !p->second.to_process.empty()) { + // we may be racing with _process, which has dequeued a new item + // from pqueue, put it on to_process, and is now busy taking the + // pg lock. ensure this old requeued item is ordered before any + // such newer item in to_process. + p->second.to_process.push_front(item.second); + item.second = p->second.to_process.back(); + p->second.to_process.pop_back(); + dout(20) << __func__ << " " << item.first + << " " << p->second.to_process.front() + << " shuffled w/ " << item.second << dendl; + } else { + dout(20) << __func__ << " " << item.first << " " << item.second << dendl; + } + sdata->_enqueue_front(item, osd->op_prio_cutoff); + sdata->sdata_op_ordering_lock.Unlock(); + sdata->sdata_lock.Lock(); + sdata->sdata_cond.SignalOne(); + sdata->sdata_lock.Unlock(); +} + +namespace ceph { +namespace osd_cmds { + +int heap(CephContext& cct, cmdmap_t& cmdmap, Formatter& f, std::ostream& os) +{ + if (!ceph_using_tcmalloc()) { + os << "could not issue heap profiler command -- not using tcmalloc!"; + return -EOPNOTSUPP; + } + + string cmd; + if (!cmd_getval(&cct, cmdmap, "heapcmd", cmd)) { + os << "unable to get value for command \"" << cmd << "\""; + return -EINVAL; + } + + std::vector cmd_vec; + get_str_vec(cmd, cmd_vec); + + ceph_heap_profiler_handle_command(cmd_vec, os); + + return 0; +} + +}} // namespace ceph::osd_cmds + + +std::ostream& operator<<(std::ostream& out, const OSD::io_queue& q) { + switch(q) { + case OSD::io_queue::prioritized: + out << "prioritized"; + break; + case OSD::io_queue::weightedpriority: + out << "weightedpriority"; + break; + case OSD::io_queue::mclock_opclass: + out << "mclock_opclass"; + break; + case OSD::io_queue::mclock_client: + out << "mclock_client"; + break; + } + return out; +}