Skip site navigation (1) Skip section navigation (2)

Re: Parallel Vacuum

From: Dimitri <dimitrik(dot)fr(at)gmail(dot)com>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Parallel Vacuum
Date: 2007-03-22 15:05:37
Message-ID: 200703221605.38460.dimitrik.fr@gmail.com (view raw or flat)
Thread:
Lists: 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

In response to

Responses

pgsql-performance by date

Next:From: Alvaro HerreraDate: 2007-03-22 15:12:50
Subject: Re: Parallel Vacuum
Previous:From: markDate: 2007-03-22 14:52:27
Subject: Re: Performance of count(*)

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group