From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-15?Q?Ga=EBl?= Roualland Subject: Re: 2.6.0 -- nfs client runs 15x faster if client app runs as root. Date: Thu, 08 Jan 2004 15:15:43 +0100 Sender: nfs-admin@lists.sourceforge.net Message-ID: <3FFD660F.1333683F@oleane.net> References: <34280.141.211.133.197.1073512478.squirrel@webmail.uio.no> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Cc: ewhiting@amis.com, nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.24) id 1Aeax6-0008Cm-V4 for nfs@lists.sourceforge.net; Thu, 08 Jan 2004 06:16:00 -0800 Received: from hal.oleane.net ([62.161.136.5]) by sc8-sf-mx2.sourceforge.net with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.30) id 1Aeax6-0000oF-Bx for nfs@lists.sourceforge.net; Thu, 08 Jan 2004 06:16:00 -0800 To: trond.myklebust@fys.uio.no 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: trond.myklebust@fys.uio.no a =E9crit : >=20 > > My 2.6.0 nfs clients to a netapps 940 NFS server run very differently > depending > > on who the user is. Both tcp and udp mounts seem to show the same beh= avior. > > This is very apparent when doing the bonnie putc() tests. > > nfsstat and tcpdump show a lot of extra setattr calls when running as= a > normal > > user. I assume this is the reason for the slowdown. Is there a fix? O= r > is this the > > way it is supposed to be? >=20 > Huh? > I'm certainly not seeing one setattr call per write on my 2.6 clients. = Is > this stock > 2.6.0 or is it patched? Does 2.6.1-rc2 change anything? Has the file exec permission set ? If yes this would look like an earlier problem that seems to still occur on 2.6.0. See http://marc.theaimsgroup.com/?l=3Dlinux-nfs&m=3D106966481311224 and http://marc.theaimsgroup.com/?l=3Dlinux-nfs&m=3D106981736010493. Ga=EBl. --=20 Ga=EBl Roualland -+- gael.roualland@oleane.net ------------------------------------------------------- This SF.net email is sponsored by: Perforce Software. Perforce is the Fast Software Configuration Management System offering advanced branching capabilities and atomic changes on 50+ platforms. Free Eval! http://www.perforce.com/perforce/loadprog.html _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs