From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boaz Harrosh Subject: Re: Performance results with exofs Date: Mon, 07 Jun 2010 20:29:41 +0300 Message-ID: <4C0D2C85.20608@panasas.com> References: <4C0D195B.8030401@panasas.com> <4C0D1AAB.4070304@panasas.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: "J. Bruce Fields" , NFS list To: sfaibish Return-path: Received: from daytona.panasas.com ([67.152.220.89]:37892 "EHLO daytona.int.panasas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752077Ab0FGR3r (ORCPT ); Mon, 7 Jun 2010 13:29:47 -0400 In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: Show me yours and I'll show you mine, ...! ;-) Boaz On 06/07/2010 08:28 PM, sfaibish wrote: > Thanks. > > /Sorin > > On Mon, 07 Jun 2010 12:13:31 -0400, Boaz Harrosh > wrote: > >> On 06/07/2010 07:07 PM, Boaz Harrosh wrote: >>> On 06/07/2010 06:24 PM, sfaibish wrote: >>>> Boaz, >>>> >>>> You were mentioning some preliminary performance on NFS4.1 and pNFS >>>> during >>>> the pNFS call few weeks back. I thought you put them in an email but I >>>> couldn't >>>> find that email. Could you re-send it to me or summarize the results >>>> in a >>>> new >>>> email for comparison to the block layout performance. Bruce is also >>>> interested >>>> so I CC him as well. Thanks >>>> >>>> /Sorin >>>> >>> >>> I did not yet publish the Document. It's stuck behind my dis-talent for >>> writing and the pnfs bugs de jur. >>> >>> Basically all machines: >>> - connected by a 1 GBit link. >>> - All clients doing a dd write of 8GB file from /dev/zero >>> - 3of8 is the special raid-groups arrangement of exofs && objlayout >>> where out of 8 devices each file is striped over 3 devices in a >>> round robin fashion. (*With a small dirty trick) >>> >> >> - All tests over an *empty* filesystem. >> >>> [single client] >>> 1 - osds 40MB >>> 2 - osds 80MB >>> 4 - osds 114MB (saturation point of the 1 Gbit link) >>> 8 - osds 114MB >>> >>> [2 clients 8of8 osds] >>> 226 MBs >>> >>> [4 clients 8of8 osds] >>> 263 MBs >>> >>> [8 clients 8of8 osds] >>> 252 MBs >>> >>> [1 clients 3of8 osds] >>> 114 MBs >>> >>> [2 clients 3of8 osds *] >>> 226 MBs >>> >>> [4 clients 3of8 osds *] >>> 417 MBs >>> >>> [8 clients 3of8 osds] >>> 405 MBs >>> >>> Boaz >>> >> >> >> > > >