From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6AF3B29E03 for ; Sun, 21 Apr 2013 19:58:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3B14D304053 for ; Sun, 21 Apr 2013 17:58:06 -0700 (PDT) Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id 3FNR39JNlJO4b35O for ; Sun, 21 Apr 2013 17:58:05 -0700 (PDT) Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id EF6046C02E for ; Sun, 21 Apr 2013 19:58:04 -0500 (CDT) Message-ID: <51748B18.6040309@hardwarefreak.com> Date: Sun, 21 Apr 2013 19:58:00 -0500 From: Stan Hoeppner MIME-Version: 1.0 Subject: Re: noop or deadline on an SSD? References: In-Reply-To: Reply-To: stan@hardwarefreak.com List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com On 4/21/2013 5:38 PM, Pedro Ribeiro wrote: > Ok, I also read that with an SSD I should be using noop or deadline. And > which one of these would perform better with XFS with an SSD? And while I'm > at it, which one would be best for a mechanical drive? $ echo [noop|deadline] > /sys/block/sdX/queue/scheduler Given the ease with which one can switch between the two, it's far better to test each yourself with your hardware and workloads, than to rely on any generic advice. -- Stan _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs