Re: Vacuum goes worse - Mailing list pgsql-performance

From Tom Lane
Subject Re: Vacuum goes worse
Date
Msg-id 17051.1192548631@sss.pgh.pa.us
Whole thread Raw
In response to Re: Vacuum goes worse  (Stéphane Schildknecht<stephane.schildknecht@postgresqlfr.org>)
List pgsql-performance
=?ISO-8859-1?Q?St=E9phane_Schildknecht?= <stephane.schildknecht@postgresqlfr.org> writes:
> Tom Lane a �crit :
>> The real question is how often do rows get updated?  I suspect you
>> probably need to vacuum this table more than once a day.

> To be honest, I suspect it too. But, I have been told by people using
> that database they can't do vacuum more frequently than once in a day as
> it increases the time to achieve concurrent operations.

vacuum_cost_delay can help here.

            regards, tom lane

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