Re: Hash join on int takes 8..114 seconds

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От Alvaro Herrera
Тема Re: Hash join on int takes 8..114 seconds
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Msg-id 20081121191646.GH5210@alvh.no-ip.org
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Ответ на Re: Hash join on int takes 8..114 seconds  ("Andrus" <kobruleht2@hot.ee>)
Ответы Re: Hash join on int takes 8..114 seconds  ("Andrus" <kobruleht2@hot.ee>)
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Andrus wrote:

> I discovered vacuum_cost_delay=2000 option. Will this remove blocking
> issue and allow vacuum full to work ?

No.

Are you really using vacuum_cost_delay=2000?  If so, therein lies your
problem.  That's a silly value to use for that variable.  Useful values
are in the 20-40 range probably, or maybe 10-100 being extremely
generous.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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