X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fdoc%2Fmon-janitorial-queue.txt;fp=src%2Fceph%2Fsrc%2Fdoc%2Fmon-janitorial-queue.txt;h=bc9972b903dd06c20f7c32547f5563a6c9d95585;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/doc/mon-janitorial-queue.txt b/src/ceph/src/doc/mon-janitorial-queue.txt new file mode 100644 index 0000000..bc9972b --- /dev/null +++ b/src/ceph/src/doc/mon-janitorial-queue.txt @@ -0,0 +1,43 @@ +Items to work on the monitor: + +Low-hanging fruit: + +- audit helpers that put() messages but do not get() them. + where possible, get rid of those put(). No one expects helpers to + put() messages and that may lead to double frees. + +Medium complexity: + +- get rid of QuorumServices. It seemed like a neat idea, but we only have + one or two and they just add complexity and noise. + +Time consuming / complex: + +- Split the OSDMonitor.cc file into auxiliary files. This will mean: + + 1. Logically split subsystems (osd crush, osd pool, ...) + 2. Split the big badass functions, especially prepare/process_command() + +- Have Tracked Ops on the monitor, similarly to the OSDs. + + 1. Instead of passing messages back and forth, we will pass OpRequests + 2. We may be able to get() the message when we create the OpRequest and + put() it upon OpRequest destruction. This will help controlling the + lifespan of messages and reduce leaks. + 3. There will be a fair amount of work changing stuff from Messages to + OpRequests, and we will need to make sure that we reach a format that + is easily supported throughout the monitor + + Possible format, off the top of my head: + + MonOpRequest: + + int op = m->get_type(); + Message *m = m.get(); + + template + T* get_message() { return (T*)m.get(); } + +- Move to Ref'erenced messages instead of pointers all around. This would + also help with the Tracked Ops thing, as we'd be able to simply ignore all + the get() and put() stuff behind it.