From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161238AbXBZWEL (ORCPT ); Mon, 26 Feb 2007 17:04:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161255AbXBZWEL (ORCPT ); Mon, 26 Feb 2007 17:04:11 -0500 Received: from peacekeeper.artselect.com ([69.18.47.2]:41771 "EHLO wyeth.artselect.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161238AbXBZWEK (ORCPT ); Mon, 26 Feb 2007 17:04:10 -0500 Date: Mon, 26 Feb 2007 16:04:01 -0600 To: Nick Piggin Cc: Rik van Riel , Lorenzo Allegrucci , linux-kernel@vger.kernel.org, Ingo Molnar , Suparna Bhattacharya , Jens Axboe Subject: Re: SMP performance degradation with sysbench Message-ID: <20070226220401.GA22363@artselect.com> References: <1172425476.5489.11.camel@odyssey.lan> <45E21FEC.9060605@redhat.com> <45E2E244.8040009@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45E2E244.8040009@yahoo.com.au> User-Agent: Mutt/1.5.13 (2006-08-11) From: Pete Harlan Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 27, 2007 at 12:36:04AM +1100, Nick Piggin wrote: > I found a couple of interesting issues so far. Firstly, the MySQL > version that I'm using (5.0.26-Max) is making lots of calls to FYI, MySQL fixed some scalability problems in version 5.0.30, as mentioned here: http://www.mysqlperformanceblog.com/2007/01/03/innodb-benchmarks/ It may be worth using more recent sources than 5.0.26 if tracking down scaling problems in MySQL. --Pete ---------------------------------- Pete Harlan ArtSelect, Inc. harlan@artselect.com http://www.artselect.com ArtSelect is a subsidiary of a21, Inc.