From: Charles.Hou <ivan.hou@msa.hinet.net>
To: pgsql-admin@postgresql.org
Subject: Re: the right time to vacuum database?
Date: Tue, 05 Jun 2007 16:59:21 -0700
Message-ID: <1181087961.969587.237660@g37g2000prf.googlegroups.com> (raw)
In-Reply-To: <1181049167.27654.55.camel@dba5.int.libertyrms.com>
References: <1181039589.643323.59660@r19g2000prf.googlegroups.com>
<1181049167.27654.55.camel@dba5.int.libertyrms.com>
On 6 5 , 9 12 , bnich...@ca.afilias.info (Brad Nicholson) wrote:
> On Tue, 2007-06-05 at 03:33 -0700, Charles.Hou wrote:
> > how can i know that it's the time to vacuumdb? i set the crontab to
> > vacuumdb 3 times in one day. because my database size increase from
> > 440MB to 460MB in 8 hours.
>
> Have you looked at autovaccum? It can handle this for you.
>
> If not, you need to examine the output of VACUUM VERBOSE or pg_stattuple
> (in contrib) and set a policy based on the output.
>
> It's entirely possible that some tables will need to get vacuumed
> frequently, and others will not.
>
> --
> Brad Nicholson 416-673-4106
> Database Administrator, Afilias Canada Corp.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
where is the contrib directory? i can't find it.
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To: pgsql-sql@postgresql.org
Cc: ivan.hou@msa.hinet.net, pgsql-admin@postgresql.org
Subject: Re: the right time to vacuum database?
In-Reply-To: <1181087961.969587.237660@g37g2000prf.googlegroups.com>
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