From owner-freebsd-hackers Sun Oct 31 23:20:41 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by hub.freebsd.org (Postfix) with ESMTP id B5B0E14F9A for ; Sun, 31 Oct 1999 23:20:33 -0800 (PST) (envelope-from j@uriah.heep.sax.de) Received: (from uucp@localhost) by sax.sax.de (8.8.8/8.8.8) with UUCP id IAA23547 for freebsd-hackers@freebsd.org; Mon, 1 Nov 1999 08:20:32 +0100 (CET) (envelope-from j@uriah.heep.sax.de) Received: (from j@localhost) by uriah.heep.sax.de (8.9.3/8.9.1) id IAA05130; Mon, 1 Nov 1999 08:09:59 +0100 (MET) (envelope-from j) Date: Mon, 1 Nov 1999 08:09:59 +0100 (MET) Message-Id: <199911010709.IAA05130@uriah.heep.sax.de> Mime-Version: 1.0 X-Newsreader: knews 0.9.8 Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Organization: Private BSD site, Dresden X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E References: From: j@uriah.heep.sax.de (J Wunsch) Subject: Re: journaling UFS and LFS X-Original-Newsgroups: local.freebsd.hackers To: freebsd-hackers@freebsd.org Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Don wrote: > Softupdates is definitely a viable solution however it does not > address several issues and the license is not a BSD license so it > makes me uncomfortable. Well, Kirk's idea is to put them under a BSD-style license as soon as possible, so in the long run, you might waste engergy... What `several issues' are you referring to? Kirk mentioned us in a comparision between various methods that there are exactly two problems he's seeing on the downside for softupdates: code complexity, and a large memory footprint. So unless you're working for machines with little memory, what else do you have in mind? (For those interested, for transaction logging, the downside is that it won't help for occasional filesystem operations, since it doubles the disk IO for this. It only helps the case `massive filesystem operations' like "rm -rf" etc.) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message