diff options
Diffstat (limited to 'src/doc/mon-janitorial-queue.txt')
-rw-r--r-- | src/doc/mon-janitorial-queue.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/doc/mon-janitorial-queue.txt b/src/doc/mon-janitorial-queue.txt new file mode 100644 index 000000000..9114acbe7 --- /dev/null +++ b/src/doc/mon-janitorial-queue.txt @@ -0,0 +1,38 @@ +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. + +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<typename T> + 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. |