Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 21 Feb 2001 19:11:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 21 Feb 2001 19:11:33 -0500 Received: from foobar.napster.com ([64.124.41.10]:60421 "EHLO foobar.napster.com") by vger.kernel.org with ESMTP id ; Wed, 21 Feb 2001 19:11:18 -0500 Message-ID: <3A9458FD.A87205FC@napster.com> Date: Wed, 21 Feb 2001 16:10:37 -0800 From: Jordan Mendelson Organization: Napster, Inc. X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.1-ac17 i686) X-Accept-Language: en MIME-Version: 1.0 To: "David S. Miller" CC: ookhoi@dds.nl, Vibol Hou , Linux-Kernel , sim@stormix.com, netdev@oss.sgi.com Subject: Re: 2.4 tcp very slow under certain circumstances (Re: netdev issues (3c905B)) In-Reply-To: <20010221104723.C1714@humilis> <14995.40701.818777.181432@pizda.ninka.net> <3A9453F4.993A9A74@napster.com> <14996.21701.542448.49413@pizda.ninka.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "David S. Miller" wrote: > > Jordan Mendelson writes: > > Now, if it didn't have the side effect of dropping packets left and > > right after ~4000 open connections (simultaneously), I could finally > > move our production system to 2.4.x. > > There is no reason my patch should have this effect. My guess is that the fast path prevented the need for looking up the destination in some structure which is limited to ~4K entries (route table?). Jordan - 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/