From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
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To: | Anj Adu <fotographs(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, Devrim GÜNDÜZ <devrim(at)gunduz(dot)org>, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: XID wraparound in 8.4 |
Date: | 2009-10-13 22:23:52 |
Message-ID: | 20091013222352.GO4535@alvh.no-ip.org |
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Lists: | pgsql-admin |
Anj Adu escribió:
> We have a few 8.1 installations where the vacuumdb -a command takes
> 2-3 days to run ..(with a vacuum delay of 10ms)...autovac does not
> work for us as we have tables that get constantly dropped due to
> partitioning.(autovac would never finish given the size of our
> database
I think you should set pg_autovacuum.enabled=false for those tables to
avoid having autovac work uselessly on them.
> and the fact that we have some "idle transactions" caused by
> our application server coneection pools.)
If this is really a problem, it's not going to be limited to autovacuum;
regular vacuum is going to be affected too.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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