"inefficient replication" / SYNCERROR: only exists on replica

Bron Gondwana brong at fastmail.fm
Fri Jul 19 21:36:47 EDT 2013


On Fri, Jul 19, 2013, at 10:47 PM, Karl Pielorz wrote:
> Our pair of 2.4.17 servers seem to be sync'd Ok - but daily now I get
> a series of messages such as the ones below in syslog on the Master:
>
> " Jul 19 04:10:21 sync_client[76982]: inefficient replication (3835 >
> 3834) user.kpielorz.Logs Jul 19 04:10:21 sync_client[76982]:
> SYNCERROR: only exists on replica user.kpielorz.Logs 232775
> (dfe4875bfdeb39de8773617c868913db81651d6b) Jul 19 04:10:21
> sync_client[76982]: SYNCERROR: only exists on replica
> user.kpielorz.Logs 232776 (8b98a6ae811c5dc62674d89c26db1a57c0e550fc)
> Jul 19 04:10:21 sync_client[76982]: SYNCERROR: only exists on replica
> user.kpielorz.Logs 232777 (1cf9b02d77a3f4c7c4518d4b3a555b69380b0bec)
> Jul 19 04:10:21 sync_client[76982]: SYNCERROR: only exists on replica
> user.kpielorz.Logs 232778 (a5948da80cd84b0775440087b765cc3662e576dc)
> Jul 19 04:10:21 sync_client[76982]: SYNCERROR: only exists on replica
> user.kpielorz.Logs 232779 (80af54cb2a4cc600790e85cf2673f39a2af32f02) "
>
> These mailboxes receive high traffic - and have annotations on them to
> expire the mail after 'x' days (30 I think it is) - so it's
> conceivable they'll be loosing for this one say 200-300 messages as
> they 'expire'.
>
> Are these warnings harmless?
>
> With Master -> Replica replication - should the replica be running
> cyr_expire at all?
>
> Does replication copy across mailbox annotations (i.e. the expiry
> limit) from the master mailboxes to those on the slave?

I would recommend running cyr_expire with -a (skip annotation) on the
replica to avoid this.

Bron.

-- 
  Bron Gondwana
  brong at fastmail.fm


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