From owner-freebsd-fs Fri Aug 13 14:33:50 1999 Delivered-To: freebsd-fs@freebsd.org Received: from m4.c2.telstra-mm.net.au (m4.c2.telstra-mm.net.au [24.192.3.19]) by hub.freebsd.org (Postfix) with ESMTP id 3011914EAB for ; Fri, 13 Aug 1999 14:33:43 -0700 (PDT) (envelope-from a.reilly@lake.com.au) Received: from m5.c2.telstra-mm.net.au (m5.c2.telstra-mm.net.au [24.192.3.20]) by m4.c2.telstra-mm.net.au (8.8.6 (PHNE_14041)/8.8.6) with ESMTP id HAA27453 for ; Sat, 14 Aug 1999 07:33:48 +1000 (EST) X-BPC-Relay-Envelope-From: a.reilly@lake.com.au X-BPC-Relay-Envelope-To: X-BPC-Relay-Sender-Host: m5.c2.telstra-mm.net.au [24.192.3.20] X-BPC-Relay-Info: Message delivered directly. Received: from areilly.bpc-users.org (CPE-24-192-49-170.nsw.bigpond.net.au [24.192.49.170]) by m5.c2.telstra-mm.net.au (8.8.6 (PHNE_14041)/8.8.6) with SMTP id HAA12262 for ; Sat, 14 Aug 1999 07:33:47 +1000 (EST) Received: (qmail 39702 invoked by uid 1000); 13 Aug 1999 21:33:46 -0000 From: "Andrew Reilly" Date: Sat, 14 Aug 1999 07:33:46 +1000 To: Terry Lambert Cc: Zhihui Zhang , phk@critter.freebsd.dk, roberto@keltia.freenix.fr, freebsd-fs@FreeBSD.ORG Subject: Re: Help with understand file system performance Message-ID: <19990814073346.A38606@gurney.reilly.home> References: <199908132050.NAA17293@usr01.primenet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <199908132050.NAA17293@usr01.primenet.com>; from Terry Lambert on Fri, Aug 13, 1999 at 08:50:39PM +0000 Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, Aug 13, 1999 at 08:50:39PM +0000, Terry Lambert wrote: > I am becoming convinced that an intermediate abstraction is really > what is called for, to turn the bottom end into what is, in effect, > nothing more than a flat, numeric namespace on top of a variable > granularity block store. A nice topic for much research... 8-). Isn't that what Andrew Tannenbaum had on Amoeba? Does anyone have any experience with that system? The numbers in his namespace were capabilities/crypto-cookies, if I remember rightly. -- Andrew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message