Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 26 Oct 2002 06:46:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 26 Oct 2002 06:46:17 -0400 Received: from users.linvision.com ([62.58.92.114]:9365 "EHLO abraracourcix.bitwizard.nl") by vger.kernel.org with ESMTP id ; Sat, 26 Oct 2002 06:46:17 -0400 Date: Sat, 26 Oct 2002 12:52:30 +0200 From: Rogier Wolff To: bert hubert , Latha B lingaiah , linux-kernel@vger.kernel.org Subject: Re: TCP DELAY Message-ID: <20021026125230.E16359@bitwizard.nl> References: <20021021065600.3738.qmail@web12806.mail.yahoo.com> <20021021065839.GA6108@outpost.ds9a.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021021065839.GA6108@outpost.ds9a.nl> User-Agent: Mutt/1.3.22.1i Organization: BitWizard.nl Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1290 Lines: 30 On Mon, Oct 21, 2002 at 08:58:39AM +0200, bert hubert wrote: > On Sun, Oct 20, 2002 at 11:56:00PM -0700, Latha B lingaiah wrote: > > Hi, > > > > While transfering a 42MB file, there seem to be a TCP > > delay between the kernels 2.4.7 and 2.4.18. > > Don't do such short measurements, 4.5 seconds is no way to do statistics. > TCP/IP does not start out at full speed but takes some time to find the > right speed. If all you do is repeatedly transfer small files of only 42Mb, the difference of 18% between 3.7 and 4.4 seconds is quite measureable. But you should measure the difference more than once, but I suspect that this was indeed done..... Roger. -- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 ** *-- BitWizard writes Linux device drivers for any device you may have! --* * The Worlds Ecosystem is a stable system. Stable systems may experience * * excursions from the stable situation. We are currently in such an * * excursion: The stable situation does not include humans. *************** - 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/