Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id DCAD09FA4C3 for ; Sun, 26 Nov 2006 07:24:27 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-new, port 10024) with ESMTP id 77254-02 for ; Sun, 26 Nov 2006 07:24:24 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from obelix.askesis.nl (laudanum.demon.nl [82.161.125.16]) by postgresql.org (Postfix) with ESMTP id B12969FB1C0 for ; Sun, 26 Nov 2006 07:24:23 -0400 (AST) Received: obelix 172.31.0.1 from 172.31.1.1 172.31.1.1 via HTTP with MS-WebStorage 6.0.6249 Received: from panoramix by obelix; 26 Nov 2006 12:24:21 +0100 Subject: When to vacuum a table? From: Joost Kraaijeveld To: pgsql-performance@postgresql.org Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Sun, 26 Nov 2006 12:24:17 +0100 Message-Id: <1164540257.7902.0.camel@panoramix> Mime-Version: 1.0 X-Mailer: Evolution 2.6.3 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200611/217 X-Sequence-Number: 21987 Hi, Are there guidelines (or any empirical data) available how to determine how often a table should be vacuumed for optimum performance or is this an experience / trial-and-error thing? TIA -- Groeten, Joost Kraaijeveld Askesis B.V. Molukkenstraat 14 6524NB Nijmegen tel: 024-3888063 / 06-51855277 fax: 024-3608416 web: www.askesis.nl