Return-Path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:51395 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755485Ab1F1IHa (ORCPT ); Tue, 28 Jun 2011 04:07:30 -0400 Received: by iwn6 with SMTP id 6so4762924iwn.19 for ; Tue, 28 Jun 2011 01:07:30 -0700 (PDT) Message-ID: <4E098BBC.3030007@tonian.com> Date: Tue, 28 Jun 2011 11:07:24 +0300 From: Benny Halevy To: quanli gui CC: Thomas Haynes , nfsv4@ietf.org, NFS list Subject: Re: [nfsv4] nfs client bug? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Since your client runs SUSE linux please send this to linux-nfs@vger.kernel.org (please subscribe first if you aren't already) Benny On 2011-06-28 10:34, quanli gui wrote: > There is some else mailing list about the nfsv4? > > OSes are suse 11 enterprise server, the linux kernel version we are running is 2.6.31+pnfs.patch. > Our test command is mount -t nfs4 -o minorversion=1 serverIP:/ /mnt/serverIP. > > On Tue, Jun 28, 2011 at 1:17 PM, Thomas Haynes > wrote: > > This mailing list is concerned with the protocol. > > You either want to contact your client or server provider. When you do so, > please make sure to mention which OSes and versions you are running. > > On Jun 27, 2011, at 9:01 PM, quanli gui wrote: > > > Hi, > > Recently I test the nfsv4 speed, I found that there is something wrong in the nfs client, that is the one nfs client can only provide 400MB/S to the server. > > My tests as follow: > > machine:one client, four server; hardware: all 16core, 16G memory, 5T disk; os: all suse 11 enterprise server, 2.6.31-pnfs-kernel; network: client, 10GE, server, 2GE(bond, 1GE*2); > > test method: on the client, mkdir four independent directory, mount the four server via nfsv4 protocol, every time increase one; > > test tool: iozone, or dd if=/dev/zero of=test count=20K,then cat test>/dev/null > > test result:(force on read speed, and watch the client/server network input/output by the sar command) > > 1 client vs 1 server: 200MB/S > > 1 client vs 2 server: 380MB/S, every server: 190MB/S > > 1 client vs 3 server: 380MB/S, every server: 130MB/S > > 1 client vs 4 server: 385MB/S, every server: 95MB/S > > > > From above, we found that 400MB/S is the max-speed for one client. This speed is the limition? How to increase this speed? > > > > _______________________________________________ > > nfsv4 mailing list > > nfsv4@ietf.org > > https://www.ietf.org/mailman/listinfo/nfsv4 > > > > > _______________________________________________ > nfsv4 mailing list > nfsv4@ietf.org > https://www.ietf.org/mailman/listinfo/nfsv4