Re: Memory leak in 2.4.31 w/ hdb and MMR?

[Howard Chu <hyc@symas.com>]

Brandon Hume wrote:
>    On 05/18/12 03:36 PM, Quanah Gibson-Mount wrote:
> > Are you using shm keys with BDB?
>
> Not at this time.
>
> > I don't know anyone who is using BDB 5.3 at this point in time.  I
> > would back down to something less recent and see if you see the same
> > issue.  I've used BDB 4.7 for quite some time w/o issue.
>
> Well, with 4.8.30, the problem is still evident.  Overall, using
> delta-syncrepl seems to make a large difference.  With my previous test
> (still with bdb 5.3) and delta-syncrepl, the slapd process grew to 16G
> before dying.  With delta off (removing the 'syncdata=accesslog
> logbase="cn=accesslog"
> logfilter="(&(objectClass=auditWriteObject)(reqResult=0))"' portion of
> the olcSyncrepl line) the node started and finished loading the entire
> DB and grew to about 5.7G in total.

The fact that switching off delta changes the behavior would point pretty 
squarely at a bug in the delta-sync consumer code, not anything in the 
underlying backend. If you can produce a small test case to demonstrate the 
problem, it would be a good idea to post this to the ITS.

--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
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