Re: the right time to vacuum database? - Mailing list pgsql-admin

From Charles.Hou
Subject Re: the right time to vacuum database?
Date
Msg-id 1181087961.969587.237660@g37g2000prf.googlegroups.com
Whole thread Raw
In response to Re: the right time to vacuum database?  (Brad Nicholson <bnichols@ca.afilias.info>)
Responses Re: the right time to vacuum database?  (Brad Nicholson <bnichols@ca.afilias.info>)
List pgsql-admin
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.
>
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where is the contrib directory? i can't find it.


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