From: Tom Lane <tgl@sss.pgh.pa.us>
To: Stéphane Schildknecht <stephane.schildknecht@postgresqlfr.org>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Vacuum goes worse
Date: Tue, 16 Oct 2007 11:30:31 -0400
Message-ID: <17051.1192548631@sss.pgh.pa.us> (raw)
In-Reply-To: <4714D817.30701@postgresqlfr.org>
References: <47147AD8.9010704@postgresqlfr.org>
<15640.1192544768@sss.pgh.pa.us>
<4714D817.30701@postgresqlfr.org>
=?ISO-8859-1?Q?St=E9phane_Schildknecht?= <stephane.schildknecht@postgresqlfr.org> writes:
> Tom Lane a écrit :
>> 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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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, stephane.schildknecht@postgresqlfr.org
Subject: Re: Vacuum goes worse
In-Reply-To: <17051.1192548631@sss.pgh.pa.us>
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