Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423118AbWJVGt2 (ORCPT ); Sun, 22 Oct 2006 02:49:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423108AbWJVGt2 (ORCPT ); Sun, 22 Oct 2006 02:49:28 -0400 Received: from smtp.osdl.org ([65.172.181.4]:29126 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1423118AbWJVGt1 (ORCPT ); Sun, 22 Oct 2006 02:49:27 -0400 Date: Sat, 21 Oct 2006 23:49:23 -0700 From: Andrew Morton To: "Linux Portal" Cc: linux-kernel@vger.kernel.org Subject: Re: First benchmarks of the ext4 file system Message-Id: <20061021234923.defbfb1f.akpm@osdl.org> In-Reply-To: References: X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 982 Lines: 23 On Sun, 22 Oct 2006 01:57:36 +0200 "Linux Portal" wrote: > ext4 is 20 percent faster writer than ext3 or reiser4, probably thanks > to extents and delayed allocation. On other tests it is either > slightly faster or slightly slower. reiser4 comes as a nice surprise, > winning few benchmarks. Both are very stable, no errors during > testing. > > http://linux.inet.hr/first_benchmarks_of_the_ext4_file_system.html ext4 doesn't implement delayed allocation (yet). I made some observations regarding comparative benchmarking of filesystems when releasing 2.6.19-rc1-mm1. They seem to have been ignored ;) See ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc1/2.6.19-rc1-mm1/announce.txt - 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/