From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 27 May 2002 09:43:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 27 May 2002 09:43:46 -0400 Received: from [62.70.58.70] ([62.70.58.70]:45445 "EHLO mail.pronto.tv") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Mon, 27 May 2002 09:43:45 -0400 Message-Id: <200205271343.g4RDhOR04448@mail.pronto.tv> Content-Type: text/plain; charset=US-ASCII From: Roy Sigurd Karlsbakk Organization: Pronto TV AS To: Alan Cox Subject: Re: [BUG] 2.4 VM sucks. Again Date: Mon, 27 May 2002 15:43:24 +0200 X-Mailer: KMail [version 1.3.1] In-Reply-To: <200205271112.g4RBCH103186@mail.pronto.tv> <1022509903.11811.282.camel@irongate.swansea.linux.org.uk> Cc: "Martin J. Bligh" , linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 27 May 2002 16:31, you wrote: > On Mon, 2002-05-27 at 12:12, Roy Sigurd Karlsbakk wrote: > > If I try to do ~50 simultanous reads from disk, it's no problem as long > > as the data is being read from the nic with the same speed as it's being > > read from disk. The server apps are running via inetd (testing), and have > > 2MB of buffer each. (read 2MB from disk, write 2MB to NIC). > > > > The server chrashes within minutes. The same problem occurs when using > > Tux > > How much physical memory and is your app using sendfile ? I have 1gig with highmem disabled, ergo 900MB. My app is just doing read() write(), but as the problem occurs similarly with Tux (which uses sendfile()), it shouldn't really matter -- Roy Sigurd Karlsbakk, Datavaktmester Computers are like air conditioners. They stop working when you open Windows.