From owner-freebsd-arch Fri Nov 3 8:10:28 2000 Delivered-To: freebsd-arch@freebsd.org Received: from mail.wgate.com (mail.wgate.com [38.219.83.4]) by hub.freebsd.org (Postfix) with ESMTP id 2818537B4C5 for ; Fri, 3 Nov 2000 08:10:26 -0800 (PST) Received: from jesup.eng.tvol.net ([10.32.2.26]) by mail.wgate.com with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2650.21) id VT2YCG34; Fri, 3 Nov 2000 11:10:31 -0500 Reply-To: Randell Jesup To: Dag-Erling Smorgrav Cc: Cy Schubert - ITSD Open Systems Group , Matt Dillon , Marius Bendiksen , Randell Jesup , arch@FreeBSD.ORG Subject: Re: Like to commit my diskprep References: <200011031440.eA3Eebp39614@cwsys.cwsent.com> From: Randell Jesup Date: 03 Nov 2000 11:14:21 -0500 In-Reply-To: Dag-Erling Smorgrav's message of "03 Nov 2000 15:49:45 +0100" Message-ID: User-Agent: Gnus/5.0807 (Gnus v5.8.7) Emacs/20.7 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Dag-Erling Smorgrav writes: >Cy Schubert - ITSD Open Systems Group writes: >> Wouldn't that tend to generally reduce day-to-day performance as well? >> I suspect that Kirk and co. at CSRG had a good reason for choosing the >> defaults they did. > >Certainly, but I believe these defaults were chosen nearly ten years >ago (if not more) on hardware which we today charitably describe as >"antiquated" :) At least 10 years; perhaps more, with primary drives that were probably in the 40-100MB range, no on-drive cache, 100ms seek times, and max throughputs of well under 1MB per second. Average file size may not have changed dramatically (though I'm sure it's gone up), but it has changed, especially thickening of the tail of the distribution (files over a few hundred K or a MB). -- Randell Jesup, Worldgate Communications, ex-Scala, ex-Amiga OS team ('88-94) rjesup@wgate.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message