From owner-freebsd-fs Tue Feb 29 12:50:14 2000 Delivered-To: freebsd-fs@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id EB95C37B824 for ; Tue, 29 Feb 2000 12:50:12 -0800 (PST) (envelope-from bright@fw.wintelcom.net) Received: (from bright@localhost) by fw.wintelcom.net (8.9.3/8.9.3) id NAA12832; Tue, 29 Feb 2000 13:20:05 -0800 (PST) Date: Tue, 29 Feb 2000 13:20:04 -0800 From: Alfred Perlstein To: Marius Bendiksen Cc: "Karsten W. Rohrbach" , Alex Povolotsky , fs@FreeBSD.ORG Subject: Re: Advanced file systems for BSD Message-ID: <20000229132004.G21720@fw.wintelcom.net> References: <20000229194152.D42254@rohrbach.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from mbendiks@eunet.no on Tue, Feb 29, 2000 at 09:38:12PM +0100 Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org * Marius Bendiksen [000229 13:08] wrote: > > the abbrviation lfs was a general reference to log structured > > filesystems, which reiserfs as of the last versions also is when it > > comes to journaling. > > Er. As I recall, Reiser FS uses preserve lists, which basically means that > it writes slightly out of place and bottom-up, which gives you the > advantages of journalling without losing quite that much performance. Since no one seems to read it: http://devlinux.com/projects/reiserfs/8_1.html Preserve lists substantially hamper performance for files in the 1-10k size range. We are re-evaluating them. Reiser is supposed to address small files with the most efficiency, considering it's only 32bit you'd expect it to, however this seems to not be the case. -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message