From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 18 Jan 2001 21:10:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 18 Jan 2001 21:10:39 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:15887 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Thu, 18 Jan 2001 21:10:18 -0500 Date: Fri, 19 Jan 2001 03:10:04 +0100 From: Jens Axboe To: Andi Kleen Cc: Andrea Arcangeli , Marcelo Tosatti , linux-kernel@vger.kernel.org Subject: Re: 2.4.1pre8 slowdown on dbench tests Message-ID: <20010119031004.B18452@suse.de> In-Reply-To: <20010119011629.C32087@athlon.random> <20010119024023.B18209@suse.de> <20010119024610.A7573@gruyere.muc.suse.de> <20010119024745.G18209@suse.de> <20010119030825.A8011@gruyere.muc.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20010119030825.A8011@gruyere.muc.suse.de>; from ak@suse.de on Fri, Jan 19, 2001 at 03:08:25AM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 19 2001, Andi Kleen wrote: > Shouldn't it more depend on the bandwidth/latency of the IO device? Not really they should just make sure that we don't lock down all buffers. The low water mark is just to make sure we don't wake up readers/writers right after having blocked them. -- * Jens Axboe * SuSE Labs - 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/