Received: from localhost (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 394A5632DCD for ; Mon, 11 Jan 2010 18:04:24 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 12446-10 for ; Mon, 11 Jan 2010 22:04:08 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by mail.postgresql.org (Postfix) with ESMTP id 6252863377D for ; Mon, 11 Jan 2010 18:04:13 -0400 (AST) Received: from [192.168.1.3] (pool-96-244-14-10.bltmmd.fios.verizon.net [96.244.14.10]) by mrelayeu.kundenserver.de (node=mreu1) with ESMTP (Nemesis) id 0LpiwE-1O8UTn24Eo-00fMFd; Mon, 11 Jan 2010 23:04:10 +0100 Message-ID: <4B4BA058.4070703@2ndquadrant.com> Date: Mon, 11 Jan 2010 17:04:08 -0500 From: Greg Smith User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Scott Marlowe CC: Bob Dusek , pgsql-performance@postgresql.org Subject: Re: performance config help References: <61039b861001110544o2c352763q13dcf9d78a156714@mail.gmail.com> <61039b861001110842g15bb1f26jc50b6e6762e01427@mail.gmail.com> <61039b861001110949n699f0bd1pf3c878fa4c739891@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V01U2FsdGVkX19BNy4dzC4QFYtOoS5jrRet9RZd/6pg7GIIOkj oET6VMF1r4LbXV2xpQq5QElrkZeWcNq+C0jQRUpuYCrVWMb1He gIZ6Jm7L5349U4IK20qGlqP4v7dI6XX X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.434 tagged_above=-10 required=5 tests=AWL=0.165, BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201001/223 X-Sequence-Number: 37103 Scott Marlowe wrote: > So, I took a break from writing and searched for some more info on the > 74xx series CPUs, and from reading lots of articles, including this > one: > http://www.anandtech.com/cpuchipsets/intel/showdoc.aspx?i=3414 > It seems apparent that the 74xx series if a great CPU, as long as > you're not memory bound. > This is why I regularly end up recommending people consider Intel's designs here so often, the ones that use triple-channel DDR3, instead of any of the AMD ones. It's extremely easy to end up with a memory-bound workload nowadays, at which point all the CPU power in the world doesn't help you anymore. -- Greg Smith 2ndQuadrant Baltimore, MD PostgreSQL Training, Services and Support greg@2ndQuadrant.com www.2ndQuadrant.com