From mboxrd@z Thu Jan 1 00:00:00 1970 From: sfaibish Subject: Re: Performance results with exofs Date: Mon, 07 Jun 2010 13:28:17 -0400 Message-ID: References: <4C0D195B.8030401@panasas.com> <4C0D1AAB.4070304@panasas.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed delsp=yes Cc: "J. Bruce Fields" , "NFS list" To: "Boaz Harrosh" Return-path: Received: from mexforward.lss.emc.com ([128.222.32.20]:59172 "EHLO mexforward.lss.emc.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751847Ab0FGR22 (ORCPT ); Mon, 7 Jun 2010 13:28:28 -0400 In-Reply-To: <4C0D1AAB.4070304@panasas.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Thanks. /Sorin On Mon, 07 Jun 2010 12:13:31 -0400, Boaz Harrosh = =20 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= =20 >>> during >>> the pNFS call few weeks back. I thought you put them in an email bu= t I >>> couldn't >>> find that email. Could you re-send it to me or summarize the result= s =20 >>> 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 >> > > > --=20 Best Regards Sorin Faibish Corporate Distinguished Engineer Network Storage Group EMC=B2 where information lives Phone: 508-435-1000 x 48545 Cellphone: 617-510-0422 Email : sfaibish@emc.com