From: Stephen Carville Subject: Re: NFS performance tuning Date: Fri, 06 Jan 2006 11:30:14 -0800 Message-ID: <43BEC546.1010906@totalflood.com> References: <43BE9EC3.3090108@totalflood.com> <1136567265.7839.25.camel@lade.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: Trond Myklebust Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1EuxI4-0005Xo-Uc for nfs@lists.sourceforge.net; Fri, 06 Jan 2006 11:30:20 -0800 Received: from [209.189.103.195] (helo=mail.totalflood.com) by mail.sourceforge.net with esmtp (Exim 4.44) id 1EuxI3-0004BH-NY for nfs@lists.sourceforge.net; Fri, 06 Jan 2006 11:30:20 -0800 To: NFS List In-Reply-To: <1136567265.7839.25.camel@lade.trondhjem.org> Sender: nfs-admin@lists.sourceforge.net 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 wrote: > On Fri, 2006-01-06 at 08:45 -0800, Stephen Carville wrote: > >>I have NFS server running on a Dell 2850: >> >> Name: Amazon >> CPU: 3000 Mhz Xeon (X2) >>Memory: 2G >> Swap: 8G >> OS: Fedora Core 3 >> NFS: Version 1-4 >> >>I export a 150G volume thusly: >> >>/NFS/tigris_backup >>10.1.1.0/24(rw,wdelay,nohide,insecure,root_squash,no_subtree_check,anonuid=65534,anongid=65534) >> >>The client is a Dell 2650 running Oracle 9i >> >> Name: Tigris >> CPU: 3200Mhz Xeon (X2) >>Memory: 8G >> Swap: 4G >> OS: Redhat ES 3.2 >> NFS: Version 2/tcp > > > Why are you using NFSv2? That forces the server to use synchronous > writes (i.e. each write must be committed to disk before the server > replies to the client) and is very inefficient. > > If your application is write-intensive, you should always choose NFSv3 > or greater. No problem. I added nfsvers=3 to the mount options and I'll see how it works tonight -- Stephen Carville Unix and Network Admin Nationwide Totalflood 6033 W. Century Blvd Los Angeles, CA 90045 310-342-3602 ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs