From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n6H9Rg4U078271 for ; Fri, 17 Jul 2009 04:27:43 -0500 Received: from padma.gslab.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with SMTP id 47486A85400 for ; Fri, 17 Jul 2009 02:36:06 -0700 (PDT) Received: from padma.gslab.com (padma.gslab.com [59.163.66.102]) by cuda.sgi.com with SMTP id gpNVDIUTU41t8U7a for ; Fri, 17 Jul 2009 02:36:06 -0700 (PDT) Message-ID: <4A60442E.7010206@gslab.com> Date: Fri, 17 Jul 2009 02:28:14 -0700 From: Milind Dumbare MIME-Version: 1.0 Subject: Multi threaded random IO List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs mailing list , linux-fsdevel@vger.kernel.org Any standard comparison between multi threaded random Write vs multi threaded random Read on XFS or any other filesystem? I see multi threaded random Write faster than multi threaded random Read. Which is contradictory to standard "Reads faster that Writes" law. My test setup is. 10MB record size, 2TB filesize, 8 threads.iozone Any comments? Thanks, Milind _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs