From owner-freebsd-hackers Wed Jul 3 11:31:39 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA08105 for hackers-outgoing; Wed, 3 Jul 1996 11:31:39 -0700 (PDT) Received: from shogun.tdktca.com ([206.26.1.21]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA08089 for ; Wed, 3 Jul 1996 11:31:36 -0700 (PDT) Received: from shogun.tdktca.com (daemon@localhost) by shogun.tdktca.com (8.7.2/8.7.2) with ESMTP id NAA00426 for ; Wed, 3 Jul 1996 13:32:44 -0500 (CDT) Received: from fa.tdktca.com (bsd.fa.tdktca.com [163.49.131.129]) by shogun.tdktca.com (8.7.2/8.7.2) with ESMTP id NAA00418 for ; Wed, 3 Jul 1996 13:32:44 -0500 (CDT) Received: (from alex@localhost) by fa.tdktca.com (8.7.5/8.6.12) id NAA11349; Wed, 3 Jul 1996 13:34:19 -0500 (CDT) Date: Wed, 3 Jul 1996 13:34:19 -0500 (CDT) From: Alex Nash To: Terry Lambert cc: dunn@harborcom.net, hackers@freebsd.org Subject: Re: async flag to mount(8) In-Reply-To: <199607031826.LAA10899@phaeton.artisoft.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Wed, 3 Jul 1996, Terry Lambert wrote: > Matt Day (next cubicle over from mine) has implemented soft updates, > though without some of my FS changes, they can not be integrated > into FreeBSD. > > An FS using soft updates operates within ~5% of memory speed, according > to the Ganger/Patt paper from the University of Michigan. > > This is faster than pure async because of write gathering during the > soft update timer period. > > Async sucks. Get over it. So async only sucks *when* we get your patches. I'm sure Poul can't wait! :) Alex