Re: How overcome wait for vacuum full?

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От Alvaro Herrera
Тема Re: How overcome wait for vacuum full?
Дата
Msg-id 20070516011252.GW12731@alvh.no-ip.org
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Ответ на Re: How overcome wait for vacuum full?  (Nick Urbanik <nicku@nicku.org>)
Ответы Re: How overcome wait for vacuum full?  (Nick Urbanik <nicku@nicku.org>)
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Nick Urbanik wrote:
> Thank you Alvaro,
>
> On 15/05/07 18:53 -0400, Alvaro Herrera wrote:
> >Instead of waiting a month for the time when you can take the
> >application offline (thus accumulating a month's worth of dead tuples),
> >run a non-full vacuum more often (say, once a day or more).  It doesn't
> >lock the table so the app can continue to be online while it runs.
>
> Yes, it is vacuumed non-full regularly.  However, for some reason,
> only a full vacuum will recover the space.

You probably need to better configure the FSM settings.  See
fsm_max_pages in the docs.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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