From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 6 Nov 2001 05:52:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 6 Nov 2001 05:51:50 -0500 Received: from humbolt.nl.linux.org ([131.211.28.48]:39057 "EHLO humbolt.nl.linux.org") by vger.kernel.org with ESMTP id ; Tue, 6 Nov 2001 05:51:41 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Andrew Morton , Alexander Viro Subject: Re: [Ext2-devel] disk throughput Date: Tue, 6 Nov 2001 11:52:49 +0100 X-Mailer: KMail [version 1.3.2] Cc: "Albert D. Cahalan" , Mike Fedyk , lkml , ext2-devel@lists.sourceforge.net In-Reply-To: <3BE647F4.AD576FF2@zip.com.au> <3BE71131.59BA0CFC@zip.com.au> In-Reply-To: <3BE71131.59BA0CFC@zip.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20011106105138Z16653-12382+40@humbolt.nl.linux.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On November 5, 2001 11:22 pm, Andrew Morton wrote: > - The seek distance-versus-cost equation has changed. Take a look > at a graph of seek distance versus time. Once you've decided to > seek ten percent of the distance across the disk, a 90% seek only > takes twice as long. Do you have such a graph handy? -- Daniel