Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 64B209FB52C for ; Sat, 19 May 2007 10:21:08 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 39751-09 for ; Sat, 19 May 2007 10:20:59 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from main2.mycybernet.net (main2.mycybernet.net [209.222.63.140]) by postgresql.org (Postfix) with ESMTP id E921B9FB52A for ; Sat, 19 May 2007 10:21:04 -0300 (ADT) Received: from 227-54-222-209.mycybernet.net ([209.222.54.227] helo=phlogiston.dydns.org) by main2.mycybernet.net with esmtp (Exim 4.62) (envelope-from ) id 1HpOrn-0006xx-2R for pgsql-performance@postgresql.org; Sat, 19 May 2007 09:21:03 -0400 Received: by phlogiston.dydns.org (Postfix, from userid 1000) id 9D3993F9E; Sat, 19 May 2007 09:20:57 -0400 (EDT) Date: Sat, 19 May 2007 09:20:57 -0400 From: Andrew Sullivan To: pgsql-performance@postgresql.org Subject: Re: CPU Intensive query Message-ID: <20070519132057.GA13964@phlogiston.dyndns.org> References: <3287.1179525064@sss.pgh.pa.us> <268362.88510.qm@web57106.mail.re3.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <268362.88510.qm@web57106.mail.re3.yahoo.com> User-Agent: Mutt/1.5.9i X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/361 X-Sequence-Number: 24751 On Fri, May 18, 2007 at 03:26:08PM -0700, Abu Mushayeed wrote: > Also, this query ran today and it already finished. Today it was > IO intensive. Are you entirely sure that it's not a coincidence, and something _else_ in the system is causing the CPU issues? A -- Andrew Sullivan | ajs@crankycanuck.ca The plural of anecdote is not data. --Roger Brinner