From: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
---|---|
To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: Refactoring standby mode logic |
Date: | 2012-12-03 13:53:50 |
Message-ID: | m2ip8j44y9.fsf@2ndQuadrant.fr |
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Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> writes:
>> I'm not understanding the sequence difference well enough to comment
>> here, but I think some people are currently playing tricks in their
>> failover scripts with moving files directly to the pg_xlog of the server
>> to be promoted.
>
> That's still perfectly ok. It's only if you have a diverged timeline
> history, and you have files from one timeline in the archive and files from
> another in pg_xlog that you'll see a difference. But in such a split
> situation, it's quite arbitrary which timeline recovery will follow anyway,
> I don't think anyone can sanely rely on either behavior.
Fair enough.
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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