From: "poczta.dotcom.pl" Subject: Re: nfs performance problem Date: Tue, 5 Nov 2002 20:55:41 +0100 Sender: nfs-admin@lists.sourceforge.net Message-ID: <007901c28505$51e9c240$640a010a@winda> References: <005b01c284f5$ae1d6090$640a010a@winda> <20021105201758.I23227@vestdata.no> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Return-path: Received: from rtr.pul.pl ([195.116.89.98] helo=poczta.dotcom.pl) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 1899sx-00017k-00 for ; Tue, 05 Nov 2002 12:01:16 -0800 Received: from winda (office.interia.pl [213.76.176.114]) by poczta.dotcom.pl (Postfix) with ESMTP id 0B9A916E16 for ; Tue, 5 Nov 2002 20:58:44 +0100 (CET) To: Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: ----- Original Message ----- From: "Ragnar Kj=F8rstad" To: "poczta.dotcom.pl" Cc: Sent: Tuesday, November 05, 2002 8:17 PM Subject: Re: [NFS] nfs performance problem > On Tue, Nov 05, 2002 at 07:03:43PM +0100, poczta.dotcom.pl wrote: > > Hi All > > > > I have really slow working nfs. > > Server is build on: > > - dual pentium Xeon 2GHz, > > - 2 3ware 7500 controllers, > > - raid 5 on 7 160GB discs on controler 1 > > - raid 5 on 6 160GB disks on cotroller 2 > > > > Serwer is used for ~500k maildirs, > > all clients (~20) are freebsd boxes, when nfs transfer is around 1MB/= s for writing and 1.5MB/s for reading > > listing user directories even with very few file stakes up to 15 seconds. > > > > I tried nfs-ALL patch, but it didn' t help. > > How is local performance? local read/writes are ok > What filesystem do you use? reiserfs on top of lvm (to be able to get snapshots) > What's the output from "iostat -x -d -k 60 3"? > below is output from 'iostat -d 60 3' (- my iostat does not take '-k' option, and '-d' gives me empty output) - mayby this is enough? Linux 2.4.19 (hostname) 11/05/02 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn dev8-0 16.16 205.52 82.84 3481842 1403528 dev8-1 160.58 1266.39 1346.12 21455002 22805744 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn dev8-0 9.23 134.93 16.13 8096 968 dev8-1 150.92 753.20 1715.87 45192 102952 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn dev8-0 10.02 135.07 26.53 8104 1592 dev8-1 152.78 763.33 1767.20 45800 106032 rafal ------------------------------------------------------- This sf.net email is sponsored by: See the NEW Palm Tungsten T handheld. Power & Color in a compact size! http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0001en _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs