Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264066AbUDNMLZ (ORCPT ); Wed, 14 Apr 2004 08:11:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264065AbUDNMLZ (ORCPT ); Wed, 14 Apr 2004 08:11:25 -0400 Received: from [82.138.8.106] ([82.138.8.106]:25336 "EHLO gw.home.net") by vger.kernel.org with ESMTP id S264069AbUDNMLU (ORCPT ); Wed, 14 Apr 2004 08:11:20 -0400 To: Cc: linux-kernel@vger.kernel.org, Subject: Re: [RFC] extents,delayed allocation,mballoc for ext3 References: From: Alex Tomas Organization: ClusterFS Inc. In-Reply-To: (alex@clusterfs.com's message of "Tue, 13 Apr 2004 23:28:57 +0400") User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux) Date: Wed, 14 Apr 2004 16:10:53 +0400 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1950 Lines: 36 I've just benched ext3 vs. ext3+reservation vs. ext3+delalloc vs. xfs. it was tiobench. Sequential Writes File Blk Num Avg CPU Identifier Size Size Thr Rate (CPU%) Latency Eff ---------------------------- ------ ----- --- ------ ------ --------- ----- ext3 1024 4096 4 13.34 14.76% 0.897 90 ext3-dalloc 1024 4096 4 26.39 19.26% 0.452 137 ext3-reserv 1024 4096 4 23.77 28.99% 0.529 82 xfs 1024 4096 4 27.22 20.68% 0.373 132 ext3 1024 4096 8 9.71 10.82% 2.421 90 ext3-dalloc 1024 4096 8 25.81 18.64% 0.816 138 ext3-reserv 1024 4096 8 23.62 29.49% 1.006 80 xfs 1024 4096 8 27.06 22.49% 0.763 120 ext3 1024 4096 16 6.60 7.891% 7.222 84 ext3-dalloc 1024 4096 16 24.99 19.71% 1.783 127 ext3-reserv 1024 4096 16 23.04 28.15% 1.849 82 xfs 1024 4096 16 24.84 20.58% 1.300 121 ext3 1024 4096 32 8.12 9.872% 8.111 82 ext3-dalloc 1024 4096 32 24.83 20.01% 2.995 124 ext3-reserv 1024 4096 32 22.72 29.51% 3.282 77 xfs 1024 4096 32 25.47 21.75% 2.247 117 ext3-dalloc is ext3 + extents + delayed allocation + multiblock allocator ext3-reserv is ext3 + reservation patches by Mingming Cao - 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/