Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266343AbUAOCE0 (ORCPT ); Wed, 14 Jan 2004 21:04:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266344AbUAOCE0 (ORCPT ); Wed, 14 Jan 2004 21:04:26 -0500 Received: from 10fwd.cistron-office.nl ([62.216.29.197]:10459 "EHLO smtp.cistron-office.nl") by vger.kernel.org with ESMTP id S266343AbUAOCEZ (ORCPT ); Wed, 14 Jan 2004 21:04:25 -0500 Date: Thu, 15 Jan 2004 03:04:22 +0100 From: Miquel van Smoorenburg To: Mike Fedyk Cc: linux-kernel@vger.kernel.org Subject: Re: Slow NFS performance over wireless! Message-ID: <20040115020422.GE20560@drinkel.cistron.nl> References: <200401130155.32894.hackeron@dsl.pipex.com> <1074025508.1987.10.camel@lumiere> <1074026758.4524.65.camel@nidelv.trondhjem.org> <20040115013312.GO1594@srv-lnx2600.matchmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7BIT In-Reply-To: <20040115013312.GO1594@srv-lnx2600.matchmail.com> (from mfedyk@matchmail.com on Thu, Jan 15, 2004 at 02:33:12 +0100) X-Mailer: Balsa 2.0.15 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 910 Lines: 20 On Thu, 15 Jan 2004 02:33:12, Mike Fedyk wrote: > On Thu, Jan 15, 2004 at 01:12:07AM +0000, Miquel van Smoorenburg wrote: > > On an NFS client (2.6.1-mm3, filesystem mounted with options > > udp,nfsvers=3,rsize=32768,wsize=32768) I get for the same share as > > write/rewrite/read speeds 36 / 4 / 38 MB/sec. CPU load is also > > very high on the client for the rewrite case (80%). > > > > What is your throughput on the wire? Oh, the network is just fine. # tcpspray -n 100000 192.168.29.132 Transmitted 102400000 bytes in 0.960200 seconds (104144.970 kbytes/s) > And retry with tcp instead of udp... I did test with TCP, results are comparable to UDP. Mike. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/