Re: _cl5CompactDBs: failed to compact

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Hi Noriko,



There are three MMR replicating servers. It's one month of uptime and the servers wanted to trim the replication log. Here is what i've found in error log on each of them :

1st server:
[18/Jun/2015:08:04:31 +0200] - libdb: BDB2055 Lock table is out of available lock entries
May not matter, but could you please try increasing the value of this db config parameter?  The default value is 10000.
dn: cn=config,cn=ldbm database,cn=plugins,cn=config
nsslapd-db-locks: 10000
Ok. I've increased nsslapd-db-locks to 20000 and reduced nsslapd-changelogcompactdb-interval to 3600 in cn=changelog5,cn=config to see the changelog free event more frequently. No change. I have still :

[19/Jun/2015:10:36:46 +0200] - libdb: BDB2055 Lock table is out of available lock entries
[19/Jun/2015:10:36:46 +0200] NSMMReplicationPlugin - changelog program - _cl5CompactDBs: failed to compact a45fa684-f28d11e4-af27aa63-5121b7ef; db error - 12 Cannot allocate memory



[18/Jun/2015:08:04:31 +0200] NSMMReplicationPlugin - changelog program - _cl5CompactDBs: failed to compact a45fa684-f28d11e4-af27aa63-5121b7ef; db error - 12 Cannot allocate memory
I don't thing there is any problem even if the DBs are not compacted.  It was introduced just to release the free pages in the db files.  But I'd also like to learn why the compact fails with ENOMEM here.
Ok, thanks.


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