Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 3660F6341A1 for ; Thu, 27 May 2010 11:10:06 -0300 (ADT) 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 33252-06 for ; Thu, 27 May 2010 14:09:56 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 54EF9633D79 for ; Thu, 27 May 2010 11:09:58 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o4RE9rKI014561; Thu, 27 May 2010 10:09:53 -0400 (EDT) To: =?gb2312?B?u8bTwM7A?= cc: pgsql-performance@postgresql.org Subject: Re: About Tom Lane's Xeon CS test case In-reply-to: <3859ECB0DC6F4B028448795941712CE0@NECSLGZ0061411> References: <3859ECB0DC6F4B028448795941712CE0@NECSLGZ0061411> Comments: In-reply-to =?gb2312?B?u8bTwM7A?= message dated "Thu, 27 May 2010 15:27:41 +0800" Date: Thu, 27 May 2010 10:09:53 -0400 Message-ID: <14560.1274969393@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201005/225 X-Sequence-Number: 38809 =?gb2312?B?u8bTwM7A?= writes: > My postgres version: 8.1.3; You do realize that version was obsoleted four years ago last week? If you're encountering multiprocessor performance problems you really need to get onto 8.3.x or later. regards, tom lane