From owner-freebsd-stable Thu Oct 18 6:48:29 2001 Delivered-To: freebsd-stable@freebsd.org Received: from shikima.mine.nu (pc1-card3-0-cust143.cdf.cable.ntl.com [62.252.49.143]) by hub.freebsd.org (Postfix) with ESMTP id ABC9437B401 for ; Thu, 18 Oct 2001 06:48:26 -0700 (PDT) Received: from rasputin by shikima.mine.nu with local (Exim 3.33 #1) id 15uDXW-0000Vb-00; Thu, 18 Oct 2001 14:48:50 +0100 Date: Thu, 18 Oct 2001 14:48:50 +0100 From: Rasputin To: Doug Poland Cc: stable@freebsd.org Subject: Re: dirpref gives massive performance boost Message-ID: <20011018144850.A1943@shikima.mine.nu> Reply-To: Rasputin References: <20010928141246.A15515@xor.obsecurity.org> <20011002212002.4034283f.steveo@eircom.net> <20011002214353.A653@student.uu.se> <20011018083713.A20403@polands.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011018083713.A20403@polands.org>; from doug@polands.org on Thu, Oct 18, 2001 at 08:37:14AM -0500 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG * Doug Poland [011018 14:40]: > On Tue, Oct 02, 2001 at 09:43:53PM +0200, Erik Trulsson wrote: > > On Tue, Oct 02, 2001 at 09:20:02PM +0200, Steve O'Hara-Smith wrote: > > > On Fri, 28 Sep 2001 14:12:46 -0700 > > > Kris Kennaway wrote: > > > > > > KK> Hi all, > > > KK> > > > KK> Just a note to those who have updated to 4.4-STABLE that it's well > > > KK> worth doing a backup + newfs + restore on all your UFS volumes. The > > > > > > CAVEAT: insert a tunefs -n enable between newfs and restore, without > > > it the performance improvement is rather less dramatic :) > > > > You can happily skip the tunefs step if you just remember to supply the > > '-U' flag to newfs. > > > > > Must one supply any other arguments to newfs in order to enable dirpref? > A quick look at man newfs didn't make any mention of dirpref. No, it's on by default in kernels that include the new code. -- Fashion is a form of ugliness so intolerable that we have to alter it every six months. -- Oscar Wilde Rasputin :: Jack of All Trades - Master of Nuns :: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message