Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266279AbUAGSVH (ORCPT ); Wed, 7 Jan 2004 13:21:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266278AbUAGSTt (ORCPT ); Wed, 7 Jan 2004 13:19:49 -0500 Received: from mta7.pltn13.pbi.net ([64.164.98.8]:39151 "EHLO mta7.pltn13.pbi.net") by vger.kernel.org with ESMTP id S266279AbUAGSTd (ORCPT ); Wed, 7 Jan 2004 13:19:33 -0500 Date: Wed, 7 Jan 2004 10:19:20 -0800 From: Mike Fedyk To: Guennadi Liakhovetski Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.0 NFS-server low to 0 performance Message-ID: <20040107181920.GN1882@matchmail.com> Mail-Followup-To: Guennadi Liakhovetski , linux-kernel@vger.kernel.org References: <20040107174939.GK1882@matchmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1374 Lines: 30 On Wed, Jan 07, 2004 at 07:13:46PM +0100, Guennadi Liakhovetski wrote: > On Wed, 7 Jan 2004, Mike Fedyk wrote: > > > On Tue, Jan 06, 2004 at 01:46:30AM +0100, Guennadi Liakhovetski wrote: > > > It is not just a problem of 2.6 with those specific network configurations > > > - ftp / http / tftp transfers work fine. E.g. wget of the same file on the > > > PXA with 2.6.0 from the PC1 with 2.4.21 over http takes about 2s. So, it > > > is 2.6 + NFS. > > > > > > Is it fixed somewhere (2.6.1-rcx?), or what should I try / what further > > > information is required? > > > > You will probably need to look at some tcpdump output to debug the problem... > > Yep, just have done that - well, they differ... First obvious thing that I > noticed is that 2.6 is trying to read bigger blocks (32K instead of 8K), You mean it's trying to do 32K nfs block size on the wire? > The bz2 tarball is 50k big, so, not too bad for the list either, but it is > not a common practice to send compressed attachments to the list, right? > It's 5M uncompressed. Just post a few samples of the lines that differ. Any files should be sent off-list. - 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/