Re: XID wraparound in 8.4

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От Alvaro Herrera
Тема Re: XID wraparound in 8.4
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Msg-id 20091013222352.GO4535@alvh.no-ip.org
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Ответ на Re: XID wraparound in 8.4  (Anj Adu <fotographs@gmail.com>)
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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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