Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 30 Oct 2000 07:51:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 30 Oct 2000 07:51:16 -0500 Received: from Cantor.suse.de ([194.112.123.193]:28685 "HELO Cantor.suse.de") by vger.kernel.org with SMTP id ; Mon, 30 Oct 2000 07:50:57 -0500 Date: Mon, 30 Oct 2000 13:50:47 +0100 From: Andi Kleen To: Alan Cox Cc: "Jeff V. Merkey" , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: 2.2.18Pre Lan Performance Rocks! Message-ID: <20001030135047.A6209@gruyere.muc.suse.de> In-Reply-To: <20001030010434.A19615@vger.timpanogas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from alan@lxorguk.ukuu.org.uk on Mon, Oct 30, 2000 at 12:47:10PM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 30, 2000 at 12:47:10PM +0000, Alan Cox wrote: > > We will never beat NetWare on scaling if this is the case, even in 2.4. > > Andre and my first job will be to create an arch port with MANOS that > > disables this and restructures the VM. > > In the 2.4 case if you are just running NFS daemons then there are no tlb > reloads going on at all. Whats murdering you is mostly memory copies. I would > suspect if you rerun the profiles on a box with a much lower memory bandwidth > that the effect will be even more visible I don't think that's true. As far as I can see the nfsd processes do not do the lazy VM magic (but it would be reasonably easy to add) -Andi - 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/