Received: from maia.hub.org (maia-1.hub.org [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id C68676335B6 for ; Wed, 28 Apr 2010 11:21:23 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 16937-10 for ; Wed, 28 Apr 2010 14:20:59 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mail.postgresql.org (Postfix) with ESMTP id 0BE55632FBB for ; Wed, 28 Apr 2010 11:21:12 -0300 (ADT) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1O788Q-00057f-8I for pgsql-performance@postgresql.org; Wed, 28 Apr 2010 16:21:06 +0200 Received: from 217.110.94.67 ([217.110.94.67]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 28 Apr 2010 16:21:06 +0200 Received: from spam_eater by 217.110.94.67 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 28 Apr 2010 16:21:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: pgsql-performance@postgresql.org connect(): No such file or directory From: Thomas Kellerer Subject: Re: autovacuum strategy / parameters Date: Wed, 28 Apr 2010 16:20:53 +0200 Lines: 12 Message-ID: References: <65d9d15d-41d2-4bfa-8cc3-6148b4fb9022@z3g2000yqz.googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 217.110.94.67 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.23) Gecko/20090812 Thunderbird/2.0.0.23 Mnenhy/0.7.6.666 In-Reply-To: <65d9d15d-41d2-4bfa-8cc3-6148b4fb9022@z3g2000yqz.googlegroups.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=1.153 tagged_above=-10 required=5 tests=BAYES_40=-0.001, RCVD_NUMERIC_HELO=1.164, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: * X-Archive-Number: 201004/328 X-Sequence-Number: 38578 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...