From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750838AbWDISXU (ORCPT ); Sun, 9 Apr 2006 14:23:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750840AbWDISXT (ORCPT ); Sun, 9 Apr 2006 14:23:19 -0400 Received: from mail.gmx.net ([213.165.64.20]:19409 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S1750838AbWDISXT (ORCPT ); Sun, 9 Apr 2006 14:23:19 -0400 X-Authenticated: #14349625 Subject: Re: [patch][rfc] quell interactive feeding frenzy From: Mike Galbraith To: bert hubert Cc: Con Kolivas , lkml , Ingo Molnar , Andrew Morton , Nick Piggin , Peter Williams In-Reply-To: <20060409121436.GA28075@outpost.ds9a.nl> References: <1144402690.7857.31.camel@homer> <200604072256.27665.kernel@kolivas.org> <1144417064.8114.26.camel@homer> <200604072356.03580.kernel@kolivas.org> <1144419294.14231.7.camel@homer> <20060409111436.GA26533@outpost.ds9a.nl> <1144582778.13991.10.camel@homer> <20060409121436.GA28075@outpost.ds9a.nl> Content-Type: text/plain Date: Sun, 09 Apr 2006 20:24:02 +0200 Message-Id: <1144607042.7408.28.camel@homer> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2006-04-09 at 14:14 +0200, bert hubert wrote: > On Sun, Apr 09, 2006 at 01:39:38PM +0200, Mike Galbraith wrote: > > Ok, unusable may be overstated. Nonetheless, that bit of code causes > > serious problems. It makes my little PIII/500 test box trying to fill > > one 100Mbit local network unusable. That is not overstated. > > If you try to make a PIII/500 fill 100mbit of TCP/IP using lots of different > processes, that IS a corner load. I'm trying to wrap my head around this statement, and failing. I have 10 tasks, I divide 100mbs/10 (_very_ modest concurrency) , and I can't even login. -Mike