Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264098AbUDRA5t (ORCPT ); Sat, 17 Apr 2004 20:57:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264097AbUDRA5t (ORCPT ); Sat, 17 Apr 2004 20:57:49 -0400 Received: from adsl-207-214-87-84.dsl.snfc21.pacbell.net ([207.214.87.84]:38016 "EHLO lade.trondhjem.org") by vger.kernel.org with ESMTP id S264103AbUDRA5r (ORCPT ); Sat, 17 Apr 2004 20:57:47 -0400 Subject: Re: NFS and kernel 2.6.x From: Trond Myklebust To: Marc Singer Cc: linux-kernel@vger.kernel.org In-Reply-To: <20040417222258.GA12893@flea> References: <20040416011401.GD18329@widomaker.com> <1082079061.7141.85.camel@lade.trondhjem.org> <20040415185355.1674115b.akpm@osdl.org> <1082084048.7141.142.camel@lade.trondhjem.org> <20040416045924.GA4870@linuxace.com> <1082093346.7141.159.camel@lade.trondhjem.org> <1082225747.2580.18.camel@lade.trondhjem.org> <20040417183219.GB3856@flea> <1082228313.2580.25.camel@lade.trondhjem.org> <20040417222258.GA12893@flea> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1082249866.3619.43.camel@lade.trondhjem.org> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Sat, 17 Apr 2004 17:57:46 -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 22 On Sat, 2004-04-17 at 15:22, Marc Singer wrote: > I have a data point for comparison. > > I'm copying a 40MiB file over NFS. In five trials, the mean transfer > times are > > UDP (v2): 48.5s > TCP (v3): 52.7s Against what kind of server on what kind of network, with what kind of mount options? The above would be quite reasonable performance on a 10Mbit network against a filer or a Linux server with the (insecure) "async" option set. Cheers, Trond - 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/