From: Eric Whiting Subject: Re: 2.4 vs. 2.6 nfs client performance Date: Thu, 13 Nov 2003 08:56:15 -0700 Sender: nfs-admin@lists.sourceforge.net Message-ID: <3FB3A99F.126920E7@amis.com> References: <3FB27670.4C878A84@psu.edu> <3FB29D43.A618973D@psu.edu> <16306.41898.291062.36209@charged.uio.no> <3FB2A738.3F2C90B8@psu.edu> <16306.49310.195265.145519@charged.uio.no> <3FB2DC60.FA7D3E08@psu.edu> <16306.59249.857512.354675@charged.uio.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jason Holmes , nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Cipher TLSv1:DES-CBC3-SHA:168) (Exim 3.31-VA-mm2 #1 (Debian)) id 1AKJoU-0004lA-00 for ; Thu, 13 Nov 2003 07:55:18 -0800 Received: from dermis.amis.com ([207.141.5.253]) by sc8-sf-mx1.sourceforge.net with smtp (Exim 4.24) id 1AKJoU-0004Su-7I for nfs@lists.sourceforge.net; Thu, 13 Nov 2003 07:55:18 -0800 To: trond.myklebust@fys.uio.no 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: Trond Myklebust wrote: > Any hints on how I can reproduce your results? Trond, This is not the same test, nor the same results as Jason's, but here is some more data from bonnie and dd tests.This shows some write performance difference between 2.4 and 2.6 eric SERVER: 2.4.21 CLIENT: 2.4.19 nfsv3 Bonnie Writing with putc()... done: 9132 kB/s 33.4 %CPU Rewriting... done: 8713 kB/s 4.2 %CPU Writing intelligently...done: 9116 kB/s 4.6 %CPU $ rm file;time dd if=/dev/zero of=file bs=1 count=10000000 10000000+0 records in 10000000+0 records out real 0m30.404s user 0m3.930s sys 0m26.250s CLIENT: 2.6.0-test6-mm4 Writing with putc()... done: 806 kB/s 5.4 %CPU Rewriting... done: 3321 kB/s 3.9 %CPU Writing intelligently...done: 2715 kB/s 2.4 %CPU $ rm file;time dd if=/dev/zero of=file bs=1 count=10000000 10000000+0 records in 10000000+0 records out real 1m37.848s user 0m17.355s sys 1m8.947s ------------------------------------------------------- This SF.Net email sponsored by: ApacheCon 2003, 16-19 November in Las Vegas. Learn firsthand the latest developments in Apache, PHP, Perl, XML, Java, MySQL, WebDAV, and more! http://www.apachecon.com/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs