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diff --git a/src/ceph/src/test/objectstore/test_idempotent.cc b/src/ceph/src/test/objectstore/test_idempotent.cc
new file mode 100644
index 0000000..6df2ced
--- /dev/null
+++ b/src/ceph/src/test/objectstore/test_idempotent.cc
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+// -*- 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 <sage@newdream.net>
+ *
+ * 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 <iostream>
+#include <sstream>
+#include <boost/scoped_ptr.hpp>
+#include "os/filestore/FileStore.h"
+#include "global/global_init.h"
+#include "common/ceph_argparse.h"
+#include "common/debug.h"
+#include "test/common/ObjectContents.h"
+#include "FileStoreTracker.h"
+#include "kv/KeyValueDB.h"
+#include "os/ObjectStore.h"
+
+void usage(const string &name) {
+  std::cerr << "Usage: " << name << " [new|continue] store_path store_journal db_path"
+	    << std::endl;
+}
+
+template <typename T>
+typename T::iterator rand_choose(T &cont) {
+  if (cont.size() == 0) {
+    return cont.end();
+  }
+  int index = rand() % cont.size();
+  typename T::iterator retval = cont.begin();
+
+  for (; index > 0; --index) ++retval;
+  return retval;
+}
+
+int main(int argc, char **argv) {
+  vector<const char*> args;
+  argv_to_vec(argc, (const char **)argv, args);
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+			 CODE_ENVIRONMENT_UTILITY, 0);
+  common_init_finish(g_ceph_context);
+  g_ceph_context->_conf->apply_changes(NULL);
+
+  std::cerr << "args: " << args << std::endl;
+  if (args.size() < 4) {
+    usage(argv[0]);
+    return 1;
+  }
+
+  string store_path(args[1]);
+  string store_dev(args[2]);
+  string db_path(args[3]);
+
+  bool start_new = false;
+  if (string(args[0]) == string("new")) start_new = true;
+
+  KeyValueDB *_db = KeyValueDB::create(g_ceph_context, "leveldb", db_path);
+  assert(!_db->create_and_open(std::cerr));
+  boost::scoped_ptr<KeyValueDB> db(_db);
+  boost::scoped_ptr<ObjectStore> store(new FileStore(cct.get(), store_path,
+						     store_dev));
+
+  ObjectStore::Sequencer osr(__func__);
+  coll_t coll(spg_t(pg_t(0,12),shard_id_t::NO_SHARD));
+
+  if (start_new) {
+    std::cerr << "mkfs" << std::endl;
+    assert(!store->mkfs());
+    ObjectStore::Transaction t;
+    assert(!store->mount());
+    t.create_collection(coll, 0);
+    store->apply_transaction(&osr, std::move(t));
+  } else {
+    assert(!store->mount());
+  }
+
+  FileStoreTracker tracker(store.get(), db.get());
+
+  set<string> objects;
+  for (unsigned i = 0; i < 10; ++i) {
+    stringstream stream;
+    stream << "Object_" << i;
+    tracker.verify(coll, stream.str(), true);
+    objects.insert(stream.str());
+  }
+
+  while (1) {
+    FileStoreTracker::Transaction t;
+    for (unsigned j = 0; j < 100; ++j) {
+      int val = rand() % 100;
+      if (val < 30) {
+	t.write(coll, *rand_choose(objects));
+      } else if (val < 60) {
+	t.clone(coll, *rand_choose(objects),
+		*rand_choose(objects));
+      } else if (val < 70) {
+	t.remove(coll, *rand_choose(objects));
+      } else {
+	t.clone_range(coll, *rand_choose(objects),
+		      *rand_choose(objects));
+      }
+    }
+    tracker.submit_transaction(t);
+    tracker.verify(coll, *rand_choose(objects));
+  }
+  return 0;
+}