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Re: Dupes inserted that violate the PK

From: kevin kempter <kevin(at)kevinkempterllc(dot)com>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Dupes inserted that violate the PK
Date: 2008-07-08 17:04:01
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin

I have a hunch what went wrong. We tested a warm standby failover  
while the 'master' was still running - our warm standby includes a  
process that grabs the final unarchived WAL segment from the master  
pg_xlog directory. I have a hunch that this is where the disconnect  
happened, I think the rule needs to be that we only execute a failover  
based on bringing the master down as opposed to simply creating the  
trigger file.  I'm trying to test this theory out now - I'll update  
the list with my findings.


On Jul 8, 2008, at 10:52 AM, Alvaro Herrera wrote:

> kevin kempter wrote:
>> We suspected the index was corrupt but a reindex fails for obvious
>> reasons.
> What version is this?  We're investigating a similar problem on  
> 8.1.11.
> -- 
> Alvaro Herrera                      
> PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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