Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754231AbZITKkr (ORCPT ); Sun, 20 Sep 2009 06:40:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751416AbZITKkq (ORCPT ); Sun, 20 Sep 2009 06:40:46 -0400 Received: from mail-fx0-f216.google.com ([209.85.220.216]:49567 "EHLO mail-fx0-f216.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751318AbZITKkq convert rfc822-to-8bit (ORCPT ); Sun, 20 Sep 2009 06:40:46 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=Xlj0vF/Z9Glxgwbq2wCtbK+L8QRM+dgKK02AVxiEttWmlO11qWhOHQREkiuVNbJwgz yVZ+H1vB3r0g+u6KzSBtkwQN5cyXlqI+tycenZ7BEI8SAT86rAHXPnTgH7fgGBY94HBc ppjv+em523rdEiXiJ+ThsCJCfJegyRwjSU16Y= MIME-Version: 1.0 In-Reply-To: <1cddc13e-c147-43e0-9b40-5e3f07941b27@e34g2000vbm.googlegroups.com> References: <1cddc13e-c147-43e0-9b40-5e3f07941b27@e34g2000vbm.googlegroups.com> Date: Sun, 20 Sep 2009 12:40:49 +0200 Message-ID: Subject: Re: EXT4 RAID read performance From: wbrana@gmail.com To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1621 Lines: 39 On Sun, Sep 20, 2009 at 3:47 AM, Daniel J Blueman wrote: > On Sep 19, 7:20 pm, wbr...@gmail.com wrote: >> >> Ext4: >> read tree total runs 11 avg 20.47 MB/s (user 0.53s sys 0.74s) >> read compiled tree total runs 4 avg 32.94 MB/s (user 0.61s sys 1.17s) >> >> Reiser3: >> read tree total runs 11 avg 26.33 MB/s (user 0.54s sys 0.81s) >> read compiled tree total runs 4 avg 41.82 MB/s (user 0.62s sys 1.36s) > > It would be interesting to also compare against BTRFS if on 2.6.30 or > newer, if you can. > BTRFS 2.6.31 mkfs.btrfs -d raid10 -m raid10 /dev/sda7 /dev/sdb7 /dev/sdc7 /dev/sdd7 mount -t btrfs -o noatime /dev/sda7 /mnt/md8 intial create total runs 10 avg 158.85 MB/s (user 0.45s sys 0.93s) create total runs 14 avg 32.67 MB/s (user 0.44s sys 0.90s) patch total runs 15 avg 8.91 MB/s (user 0.22s sys 0.84s) compile total runs 14 avg 61.02 MB/s (user 0.09s sys 0.50s) clean total runs 10 avg 245.12 MB/s (user 0.02s sys 0.18s) read tree total runs 11 avg 14.03 MB/s (user 0.48s sys 0.87s) read compiled tree total runs 4 avg 29.14 MB/s (user 0.54s sys 1.37s) delete tree total runs 10 avg 9.77 seconds (user 0.28s sys 1.37s) delete compiled tree total runs 4 avg 11.91 seconds (user 0.31s sys 1.60s) stat tree total runs 11 avg 4.36 seconds (user 0.25s sys 0.33s) stat compiled tree total runs 7 avg 5.29 seconds (user 0.29s sys 0.37s) -- 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/