From: Scott Marlowe <smarlowe@g2switchworks.com>
To: Jérôme BENOIS <benois@argia-engineering.fr>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: High CPU Load
Date: Thu, 14 Sep 2006 09:21:50 -0500
Message-ID: <1158243710.24726.12.camel@state.g2switchworks.com> (raw)
In-Reply-To: <1158243436.5226.35.camel@localhost.localdomain>
References: <1158239339.5226.17.camel@localhost.localdomain>
<28868.1158243217@sss.pgh.pa.us>
<1158243436.5226.35.camel@localhost.localdomain>
On Thu, 2006-09-14 at 09:17, Jérôme BENOIS wrote:
> Hi Tom,
>
> Le jeudi 14 septembre 2006 à 10:13 -0400, Tom Lane a écrit :
> > =?ISO-8859-1?Q?J=E9r=F4me?= BENOIS <benois@argia-engineering.fr> writes:
> > > I migrated Postgres server from 7.4.6 to 8.1.4, But my server is
> > > completely full, by moment load average > 40
> >
> > Did you remember to ANALYZE the whole database after reloading it?
> > pg_dump/reload won't by itself regenerate statistics.
> >
> > regards, tom lane
> I tested, dump + restore + vaccumdb --analyze on all databases but no change ...
OK, set your db to log queries that take more than a few seconds to
run. Execute those queries by hand with an explain analyze in front and
post the output here.
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To: pgsql-performance@postgresql.org
Cc: smarlowe@g2switchworks.com, benois@argia-engineering.fr, tgl@sss.pgh.pa.us
Subject: Re: High CPU Load
In-Reply-To: <1158243710.24726.12.camel@state.g2switchworks.com>
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