From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zenon Panoussis Subject: Re: Logging Date: Mon, 18 Apr 2011 22:56:30 +0200 Message-ID: <4DACA57E.2040609@provocation.net> References: <4DAB77FD.4010804@provocation.net> <4DAC0EE7.4080001@provocation.net> <4DAC8021.6000701@provocation.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from host-88-80-6-138.cust.prq.se ([88.80.6.138]:48266 "EHLO mail.nettheatre.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751949Ab1DRU4f (ORCPT ); Mon, 18 Apr 2011 16:56:35 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org On 04/18/2011 08:41 PM, Colin McCabe wrote: > I added "Mount the partition you are logging to using noatime" as a > "tip" on http://ceph.newdream.net/wiki/Cluster_configuration Aha, and I had put a word about noatime for the OSD partition in http://ceph.newdream.net/wiki/Mounting_the_file_system . Obviously it doesn't make much of a difference on writes, but it makes a HUGE difference on reads. Z