From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932388AbWAQSzL (ORCPT ); Tue, 17 Jan 2006 13:55:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932231AbWAQSzK (ORCPT ); Tue, 17 Jan 2006 13:55:10 -0500 Received: from lucidpixels.com ([66.45.37.187]:57757 "EHLO lucidpixels.com") by vger.kernel.org with ESMTP id S932388AbWAQSzJ (ORCPT ); Tue, 17 Jan 2006 13:55:09 -0500 Date: Tue, 17 Jan 2006 13:55:07 -0500 (EST) From: Justin Piszcz X-X-Sender: jpiszcz@p34 To: Trond Myklebust cc: Alan Cox , Tomasz =?iso-8859-2?Q?K=B3oczko?= , Phil Oester , linux-kernel@vger.kernel.org, apiszcz@lucidpixels.com Subject: Re: Kernel 2.6.15.1 + NFS is 4 times slower than FTP!? In-Reply-To: <1137523991.7855.103.camel@lade.trondhjem.org> Message-ID: References: <20060117012319.GA22161@linuxace.com> <1137521483.14135.59.camel@localhost.localdomain> <1137523035.7855.91.camel@lade.trondhjem.org> <1137523991.7855.103.camel@lade.trondhjem.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Did you get my other e-mail? $ cp file /nfs/destination $ lftp> put file On Tue, 17 Jan 2006, Trond Myklebust wrote: > On Tue, 2006-01-17 at 13:38 -0500, Justin Piszcz wrote: >> Writing from SRC(A) -> DST(B). >> I have not tested reading, but as I recall there were similar speed issues >> going the other way too, although I have not tested it recently. > > How were you testing it? I'm not sure that ftp will actually sync your > file to disk (whereas that is pretty much mandatory for an NFS server), > so unless you are transferring very large files, you would expect to see > a speed difference due to caching of writes by the server. > > Cheers, > Trond >