Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760297AbYBSOyd (ORCPT ); Tue, 19 Feb 2008 09:54:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753471AbYBSOyY (ORCPT ); Tue, 19 Feb 2008 09:54:24 -0500 Received: from mail.syneticon.net ([213.239.212.131]:53631 "EHLO mail2.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752029AbYBSOyW (ORCPT ); Tue, 19 Feb 2008 09:54:22 -0500 Message-ID: <47BAED94.3040103@wpkg.org> Date: Tue, 19 Feb 2008 15:54:12 +0100 From: Tomasz Chmielewski User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.8) Gecko/20061110 Mandriva/1.5.0.8-1mdv2007.1 (2007.1) Thunderbird/1.5.0.8 Mnenhy/0.7.4.666 MIME-Version: 1.0 To: Theodore Tso , Andi Kleen , Tomasz Chmielewski , LKML , LKML Subject: Re: very poor ext3 write performance on big filesystems? References: <47B980AC.2080806@wpkg.org> <20080218141640.GC12568@mit.edu> In-Reply-To: <20080218141640.GC12568@mit.edu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 26 Theodore Tso schrieb: (...) > The following ld_preload can help in some cases. Mutt has this hack > encoded in for maildir directories, which helps. It doesn't work very reliable for me. For some reason, it hangs for me sometimes (doesn't remove any files, rm -rf just stalls), or segfaults. As most of the ideas here in this thread assume (re)creating a new filesystem from scratch - would perhaps playing with /proc/sys/vm/dirty_ratio and /proc/sys/vm/dirty_background_ratio help a bit? -- Tomasz Chmielewski http://wpkg.org -- 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/