Re: vacuum won't even start

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Jean-Christophe Praud <jc(at)steek(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: vacuum won't even start
Date: 2009-09-09 16:11:45
Message-ID: 20090909161145.GK4132@alvh.no-ip.org
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Jean-Christophe Praud wrote:
> Hi all,
>
> I've a problem on a heavy loaded database: vacuums don't work since
> about a week. All I got is:
>
> mybase=# vacuum verbose analyze public.mytable;
> INFO: vacuuming "public.mytable"
> (I stop it after hours)
>
> Looking with top and iotop, I see the process takes some cpu and
> disk io time during several minutes, then it seems to fall asleep.
> The process isn't locked according to pg_stat_activity.

What are your vacuum_cost_% parameters?

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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