From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sylvain Munaut <s.munaut@whatever-company.com>
Subject: Re: [0.48.3] OSD memory leak when scrubbing
Date: Tue, 22 Jan 2013 22:32:32 +0100
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To: =?ISO-8859-1?Q?S=E9bastien_Han?= <han.sebastien@gmail.com>
Cc: ceph-devel <ceph-devel@vger.kernel.org>

Hi,

> I don't really want to try the mem profiler, I had quite a bad
> experience with it on a test cluster. While running the profiler some
> OSD crashed...
> The only way to fix this is to provide a heap dump. Could you provide one?

I just did:

ceph osd tell 0 heap start_profiler
ceph osd tell 0 heap dump
ceph osd tell 0 heap stop_profiler

and it produced osd.0.profile.0001.heap

Is it enough or do I actually have to leave it running ?

I had to stop the profiler because after doing the dump, the OSD
process was taking 100% of CPU ... stopping the profiler restored it
to normal.

Cheers,

    Sylvain