Re: pg_class has 3615 rows and 1010Mb in table size - Mailing list pgsql-general

From Nikola
Subject Re: pg_class has 3615 rows and 1010Mb in table size
Date
Msg-id 2b6a92dd-7816-4f0f-b4d4-03ca583eefb0@h11g2000vbo.googlegroups.com
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In response to pg_class has 3615 rows and 1010Mb in table size  (Nikola <xlpizza@gmail.com>)
List pgsql-general
On May 5, 6:16 pm, alvhe...@alvh.no-ip.org (Alvaro Herrera) wrote:
> Excerpts from Joshua D. Drake's message of mié may 05 15:37:05 -0400 2010:
>
> > On Wed, 2010-05-05 at 09:40 -0700, Nikola wrote:
>
> > > I looked at the pg_class table and noticed that its size is 1010Mb and
> > > index size is 1137Mb, while the table itself has only 3615 rows in it.
> > > I tried vacuuming it, but that did not change anything. Is there
> > > anything I can do to get this table back to the size it is supposed to
> > > be at?
>
> > > PostgreSQL 8.2.6 on Windows 2003 Server.
>
> > vacuum full, its an exclusive lock though.
>
> Note though that there being such few tuples, it should be rather quick.
>
> > I don't recall if 8.2 autovacuum would vacuum system catalogs or not.
>
> Eh, of course it would.
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Vacuum full worked. It blocked all queries for about 15 minutes, but
it was not nearly as long as I thought it would be. pg_class (and
other catalog tables that had similar issues on a smaller scale)
significantly reduced in size resulting in much quicker (almost
instantaneous) response from pgAdmin.

Thanks for the help.

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