Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 20 Nov 2001 16:48:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 20 Nov 2001 16:48:07 -0500 Received: from se1.cogenit.fr ([195.68.53.173]:45499 "EHLO cogenit.fr") by vger.kernel.org with ESMTP id ; Tue, 20 Nov 2001 16:47:55 -0500 Date: Tue, 20 Nov 2001 22:47:53 +0100 From: Francois Romieu To: linux-kernel@vger.kernel.org Subject: Re: VM tuning for Linux routers Message-ID: <20011120224753.A29777@se1.cogenit.fr> In-Reply-To: <20011118145400.A23181@se1.cogenit.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from ecki@lina.inka.de on Tue, Nov 20, 2001 at 09:35:48PM +0100 X-Organisation: Marie's fan club - II Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bernd Eckenfels : > In article <20011118145400.A23181@se1.cogenit.fr> you wrote: > > Think about forwarding between GigaE and FastE. Think about overflow and > > bad irq latency. I wouldn't cut buffering at l2 as it averages the peaks. > > Different trade-offs make sense of course. > > I think in that case increasing the buffers is important: > > net.core.rmem_max=262144 > net.core.wmem_max=262144 Aren't these only useful to userspace apps ? -- Ueimor - 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/