Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id E7C632E2F53 for ; Wed, 12 Dec 2007 06:48:35 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 49253-04 for ; Wed, 12 Dec 2007 06:48:27 -0400 (AST) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.247]) by postgresql.org (Postfix) with ESMTP id CA6832E2ECF for ; Wed, 12 Dec 2007 06:48:32 -0400 (AST) Received: by an-out-0708.google.com with SMTP id c36so46238ana.33 for ; Wed, 12 Dec 2007 02:48:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=Gng6wC/z289G0vbsmBXSt0krERhu3pMRoZfMXkf0Ttg=; b=xVjafR3Q+hEMAgjzjCam5VP044SB1x3BPcbZW5exng2B9IqW2Xap6HcBtWE+eOVSo7SAWaVa0B/UrFJ1mAZNMDT5Elx1As+GCYOPQ1i0K7ThkEEV+LHUb/tOa/f8awNW2x9SJxME+z9CmKBjk08Seab1SNvKSin7xGkFeH0H/Fg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=sKaLa2p2AfOHtyy3UpYfzmhzu0w/4o3uyKsieAclcqaMRPJzOxaIgvYWl6QwoRZIG4wjstDC3i36EQZSa43r2oy1ebwfKzfxGYB0YLPpYBcoGqR8BTl+VE6Ope7Kdlfo0i9mPfuq3j5bfv5Ft6DkcQ+Snm7xNvJ0+2FWQmEDSDo= Received: by 10.100.11.7 with SMTP id 7mr1153314ank.71.1197456511812; Wed, 12 Dec 2007 02:48:31 -0800 (PST) Received: by 10.100.242.10 with HTTP; Wed, 12 Dec 2007 02:48:31 -0800 (PST) Message-ID: Date: Wed, 12 Dec 2007 11:48:31 +0100 From: "Claus Guttesen" To: "Matthew Lunnon" , pgsql-performance@postgresql.org Subject: Re: Limited performance on multi core server In-Reply-To: <20071212103926.GB5247@uio.no> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <475FB50B.8060701@rwa-net.co.uk> <20071212103926.GB5247@uio.no> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200712/164 X-Sequence-Number: 27980 > > Does anyone have any ideas what my bottle neck might be and what I can do > > about it? > > Your bottleneck is that you are using a very old version of PostgreSQL. Try > 8.2 or (if you can) the 8.3 beta series -- it scales a _lot_ better in this > kind of situation. You won't know until you've seen what queries are performed. Changing db-parameters is a short-term solution, upgrading to a newer version does require some planning. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare