From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933655AbXIBAty (ORCPT ); Sat, 1 Sep 2007 20:49:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932781AbXIBAtq (ORCPT ); Sat, 1 Sep 2007 20:49:46 -0400 Received: from barikada.upol.cz ([158.194.242.200]:46778 "EHLO barikada.upol.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932726AbXIBAtq (ORCPT ); Sat, 1 Sep 2007 20:49:46 -0400 To: Chris Mason Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [ANNOUNCE] seekwatcher v0.3 IO graphing an animation In-Reply-To: <20070727212057.174ef1ca@think.oraclecorp.com> References: <20070727212057.174ef1ca@think.oraclecorp.com> Date: Sun, 2 Sep 2007 03:04:43 +0200 Message-Id: From: Oleg Verych Organization: Palacky University in Olomouc, experimental physics department X-OS: x86_64-pc-linux-glibc-debian Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Fri, 27 Jul 2007 21:20:57 -0400 > [] > Here's a sample of the smoother graphs (creating 20 kernel trees): > > http://oss.oracle.com/~mason/seekwatcher/ext3_vs_btrfs_vs_xfs.png It seems, that making log for XFS on different physical device can boost performance. Will it be reliable, is a question, isn't it? ____