From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Guillaume Cottenceau <gc(at)mnc(dot)ch> |
Cc: | PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org> |
Subject: | Re: [PERFORM] [doc patch] a slight VACUUM / VACUUM FULL doc improvement proposal |
Date: | 2007-05-30 19:45:37 |
Message-ID: | 200705301945.l4UJjbp01401@momjian.us |
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Thread: | |
Lists: | pgsql-docs pgsql-performance |
Patch attached and applied. Thanks.
I added a mention of CLUSTER.
---------------------------------------------------------------------------
Guillaume Cottenceau wrote:
> Dear all,
>
> After some time spent better understanding how the VACUUM process
> works, what problems we had in production and how to improve our
> maintenance policy[1], I've come up with a little documentation
> patch - basically, I think the documentation under estimates (or
> sometimes misses) the benefit of VACUUM FULL for scans, and the
> needs of VACUUM FULL if the routine VACUUM hasn't been done
> properly since the database was put in production. Find the patch
> against snapshot attached (text not filled, to ease reading). It
> might help others in my situation in the future.
>
[ Attachment, skipping... ]
>
> Ref:
> [1] http://archives.postgresql.org/pgsql-performance/2006-08/msg00419.php
> http://archives.postgresql.org/pgsql-performance/2007-05/msg00112.php
>
> --
> Guillaume Cottenceau, MNC Mobile News Channel SA, an Alcatel-Lucent Company
> Av. de la Gare 10, 1003 Lausanne, Switzerland - direct +41 21 317 50 36
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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