From: Krishna Kumar2 Subject: Re: [PATCH 0/11] nfsd: Summary of "Improve NFS server performance" Date: Wed, 22 Apr 2009 11:05:14 +0530 Message-ID: References: <20090325133607.16437.33288.sendpatchset@localhost.localdomain> <20090421225728.GI27411@fieldses.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: jlayton@redhat.com, Krishna Kumar , linux-nfs@vger.kernel.org To: "J. Bruce Fields" Return-path: Received: from e28smtp01.in.ibm.com ([59.145.155.1]:52370 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753675AbZDVFfo (ORCPT ); Wed, 22 Apr 2009 01:35:44 -0400 Received: from d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by e28smtp01.in.ibm.com (8.13.1/8.13.1) with ESMTP id n3M5ZeD2004330 for ; Wed, 22 Apr 2009 11:05:40 +0530 Received: from d28av06.in.ibm.com (d28av06.in.ibm.com [9.184.220.48]) by d28relay04.in.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n3M5ZpbS4227260 for ; Wed, 22 Apr 2009 11:05:51 +0530 Received: from d28av06.in.ibm.com (loopback [127.0.0.1]) by d28av06.in.ibm.com (8.13.1/8.13.3) with ESMTP id n3M5bIqp008258 for ; Wed, 22 Apr 2009 11:07:19 +0530 In-Reply-To: <20090421225728.GI27411@fieldses.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: "J. Bruce Fields" wrote on 04/22/2009 04:27:28 AM: > The numbers look promising, but very noisy. Maybe an average of a few > tests would give more stable numbers? Is it enough if I cut out some "popular" bufsizes and #processes out of that table and post it? If so, here is a smaller list: ---------------------------------------------------------------------- #Processes Bufsize OrgBW KB/s New BW KB/s % ---------------------------------------------------------------------- 4 4096 60660.67 64309.37 6.01 4 16384 60796.86 64069.82 5.38 4 65536 60774.45 63735.24 4.87 4 131072 61369.66 65261.85 6.34 8 4096 50650.45 55400.01 9.37 8 16384 51114.76 56025.31 9.60 8 65536 51000.23 54285.63 6.44 8 131072 52996.73 54021.11 1.93 16 4096 43897.69 46519.89 5.97 16 16384 43883.62 46726.03 6.47 16 65536 43804.33 44865.20 2.42 16 131072 44525.30 43752.62 -1.73 32 4096 39913.14 42279.21 5.92 32 16384 38094.95 42645.32 11.94 32 65536 41438.05 41794.76 .86 32 131072 41869.06 43644.07 4.23 64 4096 35468.42 35529.29 .17 64 16384 31926.51 32694.91 2.40 64 65536 36066.08 36359.77 .81 64 131072 35969.04 37462.86 4.15 128 4096 29311.11 30097.65 2.68 128 16384 28283.58 29071.45 2.78 128 65536 32617.13 33778.46 3.56 128 131072 32972.71 34160.82 3.60 192 4096 27368.48 29318.49 7.12 192 16384 26388.54 29719.15 12.62 192 65536 33374.85 33607.14 .69 192 131072 33523.48 32601.93 -2.74 ----------------------------------------------------------------------- 1170059.88 1223737.36 4.58% ----------------------------------------------------------------------- Thanks, - KK