From owner-freebsd-stable Wed Oct 24 13:43: 1 2001 Delivered-To: freebsd-stable@freebsd.org Received: from point.osg.gov.bc.ca (point.osg.gov.bc.ca [142.32.102.44]) by hub.freebsd.org (Postfix) with ESMTP id DA18037B401 for ; Wed, 24 Oct 2001 13:42:57 -0700 (PDT) Received: (from daemon@localhost) by point.osg.gov.bc.ca (8.8.7/8.8.8) id NAA12221; Wed, 24 Oct 2001 13:42:39 -0700 Received: from passer.osg.gov.bc.ca(142.32.110.29) via SMTP by point.osg.gov.bc.ca, id smtpda12219; Wed Oct 24 13:42:33 2001 Received: (from uucp@localhost) by passer.osg.gov.bc.ca (8.11.6/8.9.1) id f9OKgXA08462; Wed, 24 Oct 2001 13:42:33 -0700 (PDT) Received: from UNKNOWN(10.1.2.1), claiming to be "cwsys.cwsent.com" via SMTP by passer9.cwsent.com, id smtpdlQ8456; Wed Oct 24 13:41:38 2001 Received: (from uucp@localhost) by cwsys.cwsent.com (8.11.6/8.9.1) id f9OKfbP47523; Wed, 24 Oct 2001 13:41:37 -0700 (PDT) Message-Id: <200110242041.f9OKfbP47523@cwsys.cwsent.com> Received: from localhost.cwsent.com(127.0.0.1), claiming to be "cwsys" via SMTP by localhost.cwsent.com, id smtpdL47516; Wed Oct 24 13:41:08 2001 X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 Reply-To: Cy Schubert - ITSD Open Systems Group From: Cy Schubert - ITSD Open Systems Group X-Sender: schubert To: David Malone Cc: Anatoliy Dmytriyev , freebsd-stable@FreeBSD.ORG Subject: Re: UFS_DIRHASH - your opinion In-reply-to: Your message of "Wed, 24 Oct 2001 21:33:55 BST." <20011024213355.A76424@lanczos.maths.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 24 Oct 2001 13:41:08 -0700 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 In message <20011024213355.A76424@lanczos.maths.tcd.ie>, David Malone writes: > On Tue, Oct 23, 2001 at 09:32:10PM +0200, Anatoliy Dmytriyev wrote: > > I installed on my home box 4.4-RELEASE and found in the LINT new option > > UFS_DIRHASH. What do you think about this? > > Well, here we are using the code on out news server, cvsup server > and NFS server without any problems. Mind you, Ian Dowse who wrote > the dirhash code works here, so we may be biased ;-) > > > I know this is experimental code but have you experience with > > UFS_DIRHASH? And have I reasons include this option in my kernel? > > If you have directories which contains lots of files which are > accessed repeatedly then it may be a win for you. This seems like a useful feature. Should this be the default or is it risky as LINT suggests? Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD Ministry of Management Services Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message