From: Jacek Luczak Subject: Re: getdents - ext4 vs btrfs performance Date: Thu, 1 Mar 2012 15:03:53 +0100 Message-ID: References: <20120229144244.GF5054@shiny> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Chris Mason , linux-ext4@vger.kernel.org, linux-fsdevel , LKML , linux-btrfs@vger.kernel.org, lczerner@redhat.com To: Hillf Danton Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:40284 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966290Ab2CAODz (ORCPT ); Thu, 1 Mar 2012 09:03:55 -0500 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: 2012/3/1 Hillf Danton : > On Thu, Mar 1, 2012 at 9:35 PM, Jacek Luczak wrote: >> >> While I was about to grab acp I've noticed seekwatcher with made my day :) >> >> seekwatcher run of tar cf to eliminate writes (all done on 3.2.7): >> 1) btrfs: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs.png >> 2) ext4: http://dozzie.jarowit.net/~dozzie/luczajac/tar_ext4.png >> 3) both merged: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs_ext4.png >> >> I will send acp results soon. >> > Would you please take reiserfs into account? As of now not (lack of time) but I'm pretty close to consider XFS in the game. Whenever I will have more time and there won't be a pressure on giving host back to production I will redo same tests for reiserfs. Now I'm focused on the userspace sorting results. -Jacek