Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id DDCB3632D47 for ; Wed, 28 Apr 2010 11:46:19 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 89436-03 for ; Wed, 28 Apr 2010 14:46:08 +0000 (UTC) Received: from mx2.hub.org (mx2.hub.org [200.46.204.254]) by mail.postgresql.org (Postfix) with ESMTP id 2F25D6324B1 for ; Wed, 28 Apr 2010 11:46:10 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mh3.mail.rice.edu (mh3.mail.rice.edu [128.42.199.10]) by mx2.hub.org (Postfix) with ESMTP id 610A23EABBE0 for ; Wed, 28 Apr 2010 11:46:08 -0300 (ADT) Received: from mh3.mail.rice.edu (localhost.localdomain [127.0.0.1]) by mh3.mail.rice.edu (Postfix) with ESMTP id A736332400D; Wed, 28 Apr 2010 09:45:37 -0500 (CDT) X-Virus-Scanned: by amavis-2.6.0 at mh3.mail.rice.edu Received: from mh3.mail.rice.edu ([127.0.0.1]) by mh3.mail.rice.edu (mh3.mail.rice.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QsdJAnwsJf6v; Wed, 28 Apr 2010 09:45:37 -0500 (CDT) Received: from aart.is.rice.edu (aart.is.rice.edu [168.7.56.48]) by mh3.mail.rice.edu (Postfix) with ESMTP id 7B9FA432532; Wed, 28 Apr 2010 09:45:37 -0500 (CDT) Received: by aart.is.rice.edu (Postfix, from userid 18612) id 4AA5B2D5A1; Wed, 28 Apr 2010 09:45:37 -0500 (CDT) Date: Wed, 28 Apr 2010 09:45:36 -0500 From: Kenneth Marshall To: akp geek Cc: Thomas Kellerer , pgsql-performance@postgresql.org Subject: Re: autovacuum strategy / parameters Message-ID: <20100428144536.GC1610@aart.is.rice.edu> References: <65d9d15d-41d2-4bfa-8cc3-6148b4fb9022@z3g2000yqz.googlegroups.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.16 (2007-06-09) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201004/330 X-Sequence-Number: 38580 Check out the manual: http://www.postgresql.org/docs/8.4/static/routine-vacuuming.html#AUTOVACUUM Cheers, Ken On Wed, Apr 28, 2010 at 10:37:35AM -0400, akp geek wrote: > Hi - > don't want to side track the discussion. We have 8.4, which of > AUTOVACUUM PARAMETERS can be set to handle individual table? I ran into > bloat with small table only. Now the issue is being resolved. > > Regards > On Wed, Apr 28, 2010 at 10:20 AM, Thomas Kellerer wrote: > > > Rick, 22.04.2010 22:42: > > > > > >> So, in a large table, the scale_factor is the dominant term. In a > >> small table, the threshold is the dominant term. But both are taken into > >> account. > >> > >> The default values are set for small tables; it is not being run for > >> large tables. > >> > > > > With 8.4 you can adjust the autovacuum settings per table... > > > > > > > > > > > > -- > > Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) > > To make changes to your subscription: > > http://www.postgresql.org/mailpref/pgsql-performance > >