From owner-freebsd-stable Fri Sep 28 15:19:33 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mail.nipsi.de (dsl-213-023-032-176.arcor-ip.net [213.23.32.176]) by hub.freebsd.org (Postfix) with SMTP id 23CB937B40E for ; Fri, 28 Sep 2001 15:19:29 -0700 (PDT) Received: (qmail 95374 invoked from network); 28 Sep 2001 22:17:45 -0000 Received: from unknown (HELO nipsi.de) (172.16.1.101) by nipsi with SMTP; 28 Sep 2001 22:17:45 -0000 Message-ID: <3BB4F7A0.16935170@nipsi.de> Date: Sat, 29 Sep 2001 00:20:16 +0200 From: Dennis Berger Organization: Nipsi X-Mailer: Mozilla 4.75 [de] (Windows NT 5.0; U) X-Accept-Language: de MIME-Version: 1.0 To: Kris Kennaway Cc: stable@FreeBSD.org Subject: Re: dirpref gives massive performance boost References: <20010928141246.A15515@xor.obsecurity.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 uhm did they add it to RELENG_4 ? I thought there was only one patchkit in the mailinglist ... Kris Kennaway wrote: > Hi all, > > Just a note to those who have updated to 4.4-STABLE that it's well > worth doing a backup + newfs + restore on all your UFS volumes. The > "dirpref" UFS changes which went in after 4.4-RELEASE give a > significant performance boost to common filesystem operations. For > example: > > cvs update on my /usr/src from a local CVS repository used to take > 1200 seconds, pre-dirpref. It now takes 400 seconds - that's a factor > of 3 faster on a real-world benchmark. I forgot to time cvs update in > ports before I newfs'ed, but I'd expect the performance gain to be > even higher because the ports tree is chock full of directories. > > Truly impressive.. > > Kris > > ------------------------------------------------------------------------ > Part 1.2Type: application/pgp-signature To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message