Re: syncrepl issues

[Howard Chu <hyc@symas.com>]

Wes Rogers wrote:
> I have never had any problems up until now with syncrepl.  1 consumer
> is always in sync, yet the 2 newer ones start out in sync but after
> about 10 minutes they don't sync at all.  It is always fixed by
> restarting slapd on the 2 problem consumers.
>
> Various debugging and tcpdumps just confirm that it isn't staying in
> sync but nothing as far as errors.  This same configuration is running
> on another instance (although openldap 2.3.27, db-4.4.20) with 1
> provider and 9 consumers without any issues.
>
> Configuration :
>
> 1 provider
> 3 consumers
>
> All are openldap-2.3.32 with db-4.4.20 plus the 4 patches.

Given that no problems show up in 2.3.27, and looking at the diffs between 
2.3.27 and 2.3.32, the only substantive difference is in syncprov_checkpoint 
handling, due to ITS#4720. Looking over that patch, it's possible the chosen 
fix was bad.

Try turning off syncprov-checkpoint in your provider. If that makes a 
difference, then the ITS#4720 patch is broken.
--
  -- Howard Chu
  Chief Architect, Symas Corp.  http://www.symas.com
  Director, Highland Sun        http://highlandsun.com/hyc
  Chief Architect, OpenLDAP     http://www.openldap.org/project/