On 09/18/2013 11:25 PM, Andrey Korolyov wrote:
Hello,
Just restarted one of my mons after a month of uptime, memory commit
raised ten times high than before:
13206 root 10 -10 12.8g 8.8g 107m S 65 14.0 0:53.97 ceph-mon
normal one looks like
30092 root 10 -10 4411m 790m 46m S 1 1.2 1260:28 ceph-mon
Try running 'ceph heap stats', followed by 'ceph heap release', and then
recheck the memory consumption for the monitor.
monstore has simular size about 15G per monitor so only one problem is
very unusual and terrifying memory consumption. Also it is possible
that remaining mons running 0.61.7 but binary was updated long ago so
it`s hard to tell which version is running not doing dump and
disrupting quorum for a little - anyway I should tame current one.
How big is the cluster? 15GB for the monitor store may not be that
surprising if you have a bunch of OSDs and they're not completely
healthy, as that will prevent the removal of old maps on the monitor side.
This could also be an issue with store compaction.
Also, you should check whether the monitors are running 0.61.7 and, if
so, update them to 0.61.8. You should be able to get that version using
the admin socket if you want to.
-Joao
--
Joao Eduardo Luis
Software Engineer | http://inktank.com | http://ceph.com
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