From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 30 Jan 2001 20:49:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 30 Jan 2001 20:49:24 -0500 Received: from quechua.inka.de ([212.227.14.2]:10342 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id ; Tue, 30 Jan 2001 20:49:16 -0500 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN) Message-Id: Date: Wed, 31 Jan 2001 02:49:18 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org In article <20010131133123.A7875@metastasis.f00f.org> you wrote: > On Tue, Jan 30, 2001 at 02:17:57PM -0800, David S. Miller wrote: > 8.5MB/sec sounds like half-duplex 100baseT. > No; I'm 100% its FD; HD gives 40k/sec TCP because of collisions and > such like. > Positive you are running at full duplex all the way to the > netapp, and if so how many switches sit between you and this > netapp? > It's FD all the way (we hardwire everything to 100-FD and never trust > auto-negotiate); I see no errors or such like anywhere. > There are ... ... 3 switches between four switches in > between, mostly linked via GE. I'm not sure if latency might be an > issue here, is it was critical I can imagine 10 km of glass might be > a problem but it's not _that_ far... > --cw > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/ > ------------------------------------------------------------------------------- > Achtung: diese Newsgruppe ist eine unidirektional gegatete Mailingliste. > Antworten nur per Mail an die im Reply-To-Header angegebene Adresse. > Fragen zum Gateway -> newsmaster@inka.de. > ------------------------------------------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/