Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 002191337B94 for ; Fri, 21 Jan 2011 17:28:35 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 86630-04 for ; Fri, 21 Jan 2011 21:28:35 +0000 (UTC) Received: from amadensor.com (amadensor.com [200.46.208.228]) by mail.postgresql.org (Postfix) with ESMTP id A3BC91337B95 for ; Fri, 21 Jan 2011 17:28:35 -0400 (AST) Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by amadensor.com (Postfix) with ESMTP id EBE7D18A4763 for ; Fri, 21 Jan 2011 21:28:31 +0000 (UTC) Received: from amadensor.com ([200.46.208.228]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 71424-10; Fri, 21 Jan 2011 21:28:24 +0000 (UTC) Received: from dbms (unknown [76.76.81.70]) by amadensor.com (Postfix) with ESMTPA id 04BF918A46C8; Fri, 21 Jan 2011 21:28:24 +0000 (UTC) Received: from dbms ([127.0.0.1] helo=grant.boldlygoingnowhere.org ident=www-data) by dbms with esmtp (Exim 4.69) (envelope-from ) id 1PgOTO-0004Ze-3v; Fri, 21 Jan 2011 14:24:47 -0700 Received: from 159.238.13.4 (SquirrelMail authenticated user grant) by grant.boldlygoingnowhere.org with HTTP; Fri, 21 Jan 2011 14:24:47 -0700 (MST) Message-ID: <9506e08cc9d294b3a7f962bc551a3cf8.squirrel@grant.boldlygoingnowhere.org> In-Reply-To: <4D39D07B.1070802@squeakycode.net> References: <4D39D07B.1070802@squeakycode.net> Date: Fri, 21 Jan 2011 14:24:47 -0700 (MST) Subject: Re: Fun little performance IMPROVEMENT... From: grant@amadensor.com To: "Andy Colson" Cc: pgsql-performance@postgresql.org User-Agent: SquirrelMail/1.4.15 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Virus-Scanned: Maia Mailguard 1.0.1 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.5 tagged_above=-10 required=5 tests=ALL_TRUSTED=-1, BAYES_05=-0.5 X-Spam-Level: X-Archive-Number: 201101/210 X-Sequence-Number: 41997 > > Odd. Did'ja by chance run the select more than once... maybe three or > four times, and always get the same (or close) results? > > Is the stress package running niced? > > -Andy > I got a little crazy, and upgraded the DB to 8.4.5. It still reacts the same. I am hoping someone has an idea of a metric I can run to see why it is different.