From: Dimitri <dimitrik.fr@gmail.com>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Parallel Vacuum
Date: Thu, 22 Mar 2007 16:05:37 +0100
Message-ID: <200703221605.38460.dimitrik.fr@gmail.com> (raw)
In-Reply-To: <20070322135205.GD4102@alvh.no-ip.org>
References: <200703221435.54408.dimitrik.fr@gmail.com>
<20070322135205.GD4102@alvh.no-ip.org>
On Thursday 22 March 2007 14:52, Alvaro Herrera wrote:
> Dimitri escribió:
> > Folks,
> >
> > is there any constrains/problems/etc. to run several vacuum processes in
> > parallel while each one is 'vaccuming' one different table?
>
> No, no problem. Keep in mind that if one of them takes a very long
> time, the others will not be able to remove dead tuples that were
> killed while the long vacuum was running -- unless you are in 8.2.
Yes, I'm using the last 8.2.3 version. So, will they *really* processing in
parallel, or will block each other step by step?
Rgds,
-Dimitri
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To: pgsql-performance@postgresql.org
Cc: dimitrik.fr@gmail.com, alvherre@commandprompt.com
Subject: Re: Parallel Vacuum
In-Reply-To: <200703221605.38460.dimitrik.fr@gmail.com>
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