Re: can't stop autovacuum by HUP'ing the server

From: "Dave Cramer" <pg(at)fastcrypt(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Alvaro Herrera" <alvherre(at)commandprompt(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: can't stop autovacuum by HUP'ing the server
Date: 2008-08-26 17:44:03
Message-ID: 491f66a50808261044l5f7b7b2fk1fca741944f0745b@mail.gmail.com
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On Tue, Aug 26, 2008 at 1:33 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Dave Cramer wrote:
> >> Well, I'm willing to help debug this, however this is a busy production
> >> database and I need to be able to turn it off for a few hours a day.
> Would
> >> changing autovacuum_freeze_max_age be a solution ?
>
> > Yes.
>
> Could we first see a cycle of autovac log output with
> log_autovacuum_min_duration = 0?
> Otherwise we're not going to get closer to understanding why it's
> not cleaning up template0 for you.
>

I actually set that last time I restarted. There's nothing particularly
interesting there. Is there another log GUC that needs to be tweaked to get
more output ?

Dave

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