Re: Parallel Vacuum - Mailing list pgsql-performance

From Dimitri
Subject Re: Parallel Vacuum
Date
Msg-id 200703221605.38460.dimitrik.fr@gmail.com
Whole thread Raw
In response to Re: Parallel Vacuum  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: Parallel Vacuum  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-performance
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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