Re: (ITS#5463) syncrepl stops or pauses

[hyc@symas.com]

rein@basefarm.no wrote:
> marian.eichholz@freenet.ag skrev:
>> Full_Name:
>> Version: 2.4.8
>> OS: Linux 2.6.23.13
>> URL: ftp://ftp.openldap.org/incoming/
>> Submission from: (NULL) (194.97.7.65)
>>
>> The replication may suddenly stop, and we see no reason for that. Sometimes it
>> recovers  by itself, sometimes it recovers only when the consumer slapd is
>> stopped and restarted.
>> Is there a "golden path" to debug this issue?
>
> This sounds a lot like the problems we had, see ITS#5454.  Replication
> has been running smootly since we implemented the patch included there.
>
> An alternative version is implemented in the CVS head release, but that
> lacks a change from trylock to real mutex lock before the race condition
> is fully closed.
>
> We experienced a lot of replication problems after upgrading from a
> slurpd based replication in 2.3.x to syncrepl in 2.4.8.  We are
> currently using the CVS head version (as it was about a week ago), and
> most of our problems has been solved there :-)  You should consider the
> cvs version, as it has many syncrepl and syncprov fixes.

At this point it would be better to test RE24, not HEAD.
-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
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