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On 01/08/2015 10:21 AM, shardulsk
wrote:
Hi,
Running 389-ds 1.1.2 on Centos 5.
rpm -q 389-ds-base
We have suddenly seen repl5_inc_waitfor_async_results
errors crop up in our error log during peak traffic hours.
The Master loses sight of Hubs and replication stalls. Most
of the times it comes right back up after a couple of mins.
However we have been restarting Hubs to make the process
quicker.
tail -f errors
[08/Jan/2015:02:42:08 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub1" (hub1:2390): Simple bind resumed
[08/Jan/2015:09:04:38 -0800] -
repl5_inc_waitfor_async_results timed out waiting for
responses: 0 34222
[08/Jan/2015:09:05:18 -0800] -
repl5_inc_waitfor_async_results timed out waiting for
responses: 0 33499
[08/Jan/2015:09:05:37 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub2" (hub1:2390): Warning: unable to
receive endReplication extended operation response (Can't
contact LDAP server)
[08/Jan/2015:09:05:37 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub2" (hub1:2390): Simple bind failed,
LDAP sdk error 91 (Can't connect to the LDAP server),
Netscape Portable Runtime error -5961 (TCP connection reset
by peer.)
What is happening on the consumer (hub2?) at this time? That is,
take a look at the access and errors logs from around this time on
hub2.
[08/Jan/2015:09:05:59 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub2" (hub1:2390): Simple bind resumed
[08/Jan/2015:09:07:43 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub1" (hub1:2390): Warning: unable to
receive endReplication extended operation response (Can't
contact LDAP server)
[08/Jan/2015:09:07:43 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub1" (hub1:2390): Simple bind failed,
LDAP sdk error 91 (Can't connect to the LDAP server),
Netscape Portable Runtime error -5961 (TCP connection reset
by peer.)
[08/Jan/2015:09:08:05 -0800] NSMMReplicationPlugin -
agmt="cn=add -> hub1" (hub1:2390): Simple bind resumed
Any idea what is causing this? I checked ADD/DEL operations
during the outage and none of them stand out. No MOD errors
and all MODs completed within a second.
~Shardul
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