From: "Fabiano Reis" Subject: Re: linus 2.4.20 nfs performance problem Date: Tue, 16 Mar 2004 13:53:55 -0300 Sender: nfs-admin@lists.sourceforge.net Message-ID: <04e301c40b77$44a56400$3f32a8c0@ds.ig.com.br> References: <8147E1B07201DD41B6B9F0D31E07B3840164890B@srv-grp-s07.dev.atos.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Cc: Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1B3HrI-0000Me-MD for nfs@lists.sourceforge.net; Tue, 16 Mar 2004 08:56:04 -0800 Received: from smtp-26.ig.com.br ([200.226.132.160]) by sc8-sf-mx1.sourceforge.net with smtp (Exim 4.30) id 1B3HrG-0004Al-Ik for nfs@lists.sourceforge.net; Tue, 16 Mar 2004 08:56:02 -0800 To: =?iso-8859-1?Q?Brasseur_Val=E9ry?= Errors-To: nfs-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Post: List-Help: List-Subscribe: , List-Archive: how did you change it? is it simple like changing a #define on kernel header files and recompiling it? I was thinking the patch for this is too complex. ----- Original Message ----- From: "Brasseur Val?ry" To: "Fabiano Reis" Cc: Sent: Tuesday, March 16, 2004 1:31 PM Subject: RE: [NFS] linus 2.4.20 nfs performance problem for testing we have increase the limit from 256 to 1024 en recompile. the probleme seems to be the same ! > -----Original Message----- > From: nfs-admin@lists.sourceforge.net > [mailto:nfs-admin@lists.sourceforge.net]On Behalf Of Fabiano Reis > Sent: Tuesday, March 16, 2004 2:37 PM > Cc: nfs@lists.sourceforge.net > Subject: Re: [NFS] linus 2.4.20 nfs performance problem > > > looks like you are getting the maximum number of nfs operations by > mountpoint. See nfs.sourceforge.net > > The maximum nfs operations by mountpoint for kernel < 2.5.47 is 256 > > I?m getting the same problem with kernel 2.4.20. I ipgraded a > nfs client to > kernel 2.6 and I still getting the same problem. Maybe a > solution is to > upgrade the server and client to kernel 2.6 (I didnt tested it yet) > > - > Fabiano > > ----- Original Message ----- > From: "Brasseur Val?ry" > To: > Cc: > Sent: Tuesday, March 16, 2004 8:35 AM > Subject: [NFS] linus 2.4.20 nfs performance problem > > > I have a config where LInux machines (bi Xeon 2.4Ghz 2Gb > memory, kernel > 2.4.20 + trond patch) are accessing a Netapp 810 (or 825) > > there is a lot of process (#400) > when in load a lots of process are in D state, the filer are > around 5000 > nfsops and the network is near 50 mbit/s for each machine > > the machine and the filer are connect by a switch, machines > are at 100mb and > filer is at 1Gb > > the cpu on the machines are near &?% and load average is near > 100 or more > > > I don't know where is the bottleneck... > > is somebody can help me ? > > > thanks in advance > valery > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > administration.http://ads.osdn.com/?ad_id70&alloc_id638&op=ick > _______________________________________________ > NFS maillist - NFS@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > _______________________________________________ > NFS maillist - NFS@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs > ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id70&alloc_id638&op=ick _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs