Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266065AbTFWQcd (ORCPT ); Mon, 23 Jun 2003 12:32:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266066AbTFWQcc (ORCPT ); Mon, 23 Jun 2003 12:32:32 -0400 Received: from e35.co.us.ibm.com ([32.97.110.133]:21390 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S266065AbTFWQc0 (ORCPT ); Mon, 23 Jun 2003 12:32:26 -0400 Message-ID: <3EF72F44.1040109@austin.ibm.com> Date: Mon, 23 Jun 2003 11:48:04 -0500 From: Steven Pratt User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20021120 Netscape/7.01 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: ext3 sequential write thoughput degrades in 2.5.72-mm1 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1533 Lines: 31 Compared with 2.5.72 the mm1 tree drops off on sequential write throughput for ext3. All other filesystems seem unaffected. This degrade stays in mm2 and mm3. Do not have the data from 2.5.73 yet. Full data can be found at: http://ltcperf.ncsa.uiuc.edu/data/2.5.72-mm1/2.5.72-vs-2.5.72-mm1/ tolerance = 1.00 + 3.00% of 2.5.72 2.5.72 2.5.72-mm1 Theads MBs/sec MBs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 42.98 43.54 1.30 0.56 2.29 16 11.04 6.08 -44.93 -4.96 1.33 * 64 3.88 2.61 -32.73 -1.27 1.12 * Results:Sequential Write CPU (Graph) tolerance = 1.00 + 3.00% of 2.5.72 2.5.72 2.5.72-mm1 Theads %CPU %CPU %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 53.32% 51.76% -2.93 -1.56 2.60 16 119.6% 86.11% -28.00 -33.49 4.59 * 64 37.23% 25.05% -32.72 -12.18 2.12 * - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/