Re: [HACKERS] Autovacuum loose ends

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paesold <mpaesold(at)gmx(dot)at>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, pgsql-patches(at)postgresql(dot)org
Subject: Re: [HACKERS] Autovacuum loose ends
Date: 2005-07-30 14:57:15
Message-ID: 200507301457.j6UEvFR20670@candle.pha.pa.us
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Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >>> I think you should at least add an autovacuum specific value for
> >>> "vacuum_cost_delay" because it turns cost-based vacuum delay on or off.
>
> > I am thinking we should move ahead with what we have now, suggest the
> > work-arounds, and thensee what use-cases we have for it for later
> > releases.
>
> I think it's absolutely unquestionable that there is a use-case for
> running autovac with different vacuum-delay settings than you would
> want to apply to manually issued vacuums. We don't need to wait for
> field experience on that one; we already have it with the contrib
> version.

So do we need to add new GUC variables?

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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