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Message-ID: <442922D9.1020402@logix-tt.com>
Date: Tue, 28 Mar 2006 13:49:45 +0200
From: Markus Schaber <schabi@logix-tt.com>
Organization: Logical Tracking and Tracing International AG, Switzerland
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To: =?ISO-8859-1?Q?G=E1briel_=C1kos?= <akos.gabriel@i-logic.hu>
Cc: pgsql-performance@postgresql.org
Subject: Re: count(*) performance
References: <C04D6B95.20285%llonergan@greenplum.com>
	<44282D45.7020008@i-logic.hu>
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G=E1briel =C1kos wrote:

> I thought that too. Autovacuum is running on our system but it didn't d=
o
> the trick. Anyway the issue is solved, thank you all for helping. :)

Hi, Gabriel, it may be that your Free Space Map (FSM) setting is way to
low.

Try increasing it.

Btw, VACUUM outputs a Warning if FSM is not high enough, maybe you can
find useful hints in the log file.

HTH
Markus

--=20
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.=
org