From: | "Shoaib Mir" <shoaibmir(at)gmail(dot)com> |
---|---|
To: | "Ruben Rubio" <ruben(at)rentalia(dot)com> |
Cc: | "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Vacuum full is slow |
Date: | 2007-03-19 14:37:41 |
Message-ID: | bf54be870703190737x40b5e630y9b1673aad95ff4ac@mail.gmail.com |
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Thread: | |
Lists: | pgsql-performance |
>>vacuum_cost_delay = 100
>>No idea how long will take normal vacuum. I ll try tonight when there is
>>not too much load.
That can really take the VACUUM a long time to complete, but you might want
to have it there as it will be good for performance by setting it a little
high in a high OLTP environment.
I will recommend setting it to 0 first and then you can start moving it high
as per your needs...
--
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)
On 3/19/07, Ruben Rubio <ruben(at)rentalia(dot)com> wrote:
>
> -----BEGIN PGP SIGNED MESSAGE-----
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> > You don't have vacuum_cost_delay set, do you? How long does normal
> > vacuum run?
>
> vacuum_cost_delay = 100
> No idea how long will take normal vacuum. I ll try tonight when there is
> not too much load.
>
> >
> > The manual suggests dropping all indexes before running vacuum full, and
> > recreating them afterwards. That's worth trying.
> >
>
> I ll try that also. Is there any way to do it? Do i have to delete /
> create each one manually?
>
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