From: Ted Ts'o Subject: Re: new ext4 filesystem vs. converted ext3 Date: Fri, 3 Jun 2011 23:09:49 -0400 Message-ID: <20110604030949.GB2614@thunk.org> References: <87tyc6pov6.fsf@algae.riseup.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: Micah Anderson Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:46517 "EHLO test.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752947Ab1FDDJy (ORCPT ); Fri, 3 Jun 2011 23:09:54 -0400 Content-Disposition: inline In-Reply-To: <87tyc6pov6.fsf@algae.riseup.net> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Fri, Jun 03, 2011 at 05:49:17PM -0400, Micah Anderson wrote: > However, ever since I did that change, I've noticed an increase in I/O > wait state on the CPUs. I've been trying to determine why, and if there > were some things I should tune on this ext4 filesystem. How are you measuring this? - Ted