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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Antoine <melser.anton@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: vacuuming problems continued
Date: Thu, 01 Jun 2006 11:05:55 -0400
Message-ID: <12384.1149174355@sss.pgh.pa.us> (raw)
In-Reply-To: <92d3a4950606010454y67293765o56001e8996975b45@mail.gmail.com>
References: <92d3a4950606010454y67293765o56001e8996975b45@mail.gmail.com>

Antoine <melser.anton@gmail.com> writes:
> We just don't seem to be getting much benefit from autovacuum. Running
> a manual vacuum seems to still be doing a LOT, which suggests to me
> that I should either run a cron job and disable autovacuum, or just
> run a cron job on top of autovacuum.

The default autovac parameters are very unaggressive --- have you
experimented with changing them?  Do you have the FSM set large enough?

			regards, tom lane



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