From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Wed, 04 Apr 2007 07:22:18 -0700 (PDT) Received: from mail3b1.westend.com (mail3b.westend.com [212.117.79.78]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id l34EMBfB005858 for ; Wed, 4 Apr 2007 07:22:12 -0700 Date: Wed, 4 Apr 2007 16:21:42 +0200 From: Thomas Kaehn Subject: Re: Strange delete performance using XFS Message-ID: <20070404142142.GG18320@mail3b.westend.com> References: <20070404130535.GE18320@mail3b.westend.com> <20070404134724.GF18320@mail3b.westend.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Justin Piszcz Cc: xfs@oss.sgi.com Hi Justin, On Wed, Apr 04, 2007 at 10:12:48AM -0400, Justin Piszcz wrote: > On Wed, 4 Apr 2007, Justin Piszcz wrote: > >On Wed, 4 Apr 2007, Thomas Kaehn wrote: > >$ time for i in `seq 1 100000`; do dd if=/dev/zero of=$i bs=1k count=20 > >>/dev/null 2>&1; done > > > >1. Six 400GB SATA drives using SW RAID5: > >real 6m24.411s > >user 0m43.097s > >sys 2m17.350s > > > > The removals: > The benchmark: > $ time rm -rf test > > 1. Six 400GB SATA drives using SW RAID5: > real 0m33.996s > user 0m0.057s > sys 0m8.101s thanks for your bechmark. To my mind this clearly shows that my setup is wrong at some point. I'll try again with your mount options. Ciao, Thomas -- Thomas Kähn WESTEND GmbH | Internet-Business-Provider Technik CISCO Systems Partner - Authorized Reseller Im Süsterfeld 6 Tel 0241/701333-18 tk@westend.com D-52072 Aachen Fax 0241/911879 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Die Gesellschaft ist eingetragen im Handelsregister Aachen unter HRB 7608 Geschäftsführer: Thomas Neugebauer, Thomas Heller, Michael Kolb