Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752488AbYBTSti (ORCPT ); Wed, 20 Feb 2008 13:49:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755793AbYBTStA (ORCPT ); Wed, 20 Feb 2008 13:49:00 -0500 Received: from minas.ics.muni.cz ([147.251.4.40]:56848 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754000AbYBTSs6 (ORCPT ); Wed, 20 Feb 2008 13:48:58 -0500 Date: Wed, 20 Feb 2008 19:48:42 +0100 From: Lukas Hejtmanek To: Pavel Machek Cc: linux-kernel@vger.kernel.org, zdenek.kabelac@gmail.com Subject: Re: Disk schedulers Message-ID: <20080220184842.GA4867@ics.muni.cz> References: <20080214162104.GA5347@ics.muni.cz> <20080216172048.GB3979@ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20080216172048.GB3979@ucw.cz> X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-Muni-Spam-TestIP: 81.31.45.161 X-Muni-Envelope-From: xhejtman@anubis.fi.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Wed, 20 Feb 2008 19:48:44 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1304 Lines: 54 On Sat, Feb 16, 2008 at 05:20:49PM +0000, Pavel Machek wrote: > Is cat /dev/zero > file enough to reproduce this? yes. > ext3 filesystem? yes. > Will cat /etc/passwd work while machine is unresponsive? yes. while find does not work: time find / / /etc /etc/manpath.config /etc/update-manager /etc/update-manager/release-upgrades /etc/gshadow- /etc/inputrc /etc/openalrc /etc/bonobo-activation /etc/bonobo-activation/bonobo-activation-config.xml /etc/gnome-vfs-2.0 /etc/gnome-vfs-2.0/modules /etc/gnome-vfs-2.0/modules/obex-module.conf /etc/gnome-vfs-2.0/modules/extra-modules.conf /etc/gnome-vfs-2.0/modules/theme-method.conf /etc/gnome-vfs-2.0/modules/font-method.conf /etc/gnome-vfs-2.0/modules/default-modules.conf ^C real 0m7.982s user 0m0.003s sys 0m0.000s i.e., it took 8 seconds to list just 17 dir entries. It looks like I have this problem: http://www.linuxinsight.com/first_benchmarks_of_the_ext4_file_system.html#comment-619 (the last comment with title: Sustained writes 2 or more times the amount of memfree....) -- Luk?? Hejtm?nek -- 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/