From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boaz Harrosh Subject: Re: Performance results with exofs Date: Mon, 07 Jun 2010 19:13:31 +0300 Message-ID: <4C0D1AAB.4070304@panasas.com> References: <4C0D195B.8030401@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]:40254 "EHLO daytona.int.panasas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751893Ab0FGQNd (ORCPT ); Mon, 7 Jun 2010 12:13:33 -0400 In-Reply-To: <4C0D195B.8030401@panasas.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: 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 >