From owner-freebsd-questions Fri Feb 1 4:15:34 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mail.interchange.ubc.ca (mail.interchange.ubc.ca [137.82.27.15]) by hub.freebsd.org (Postfix) with ESMTP id 7A05237B405 for ; Fri, 1 Feb 2002 04:15:31 -0800 (PST) Received: from dsl232.net.ubc.ca ([142.103.175.232] helo=zevez) by mail.interchange.ubc.ca with smtp (Exim 3.03 #1) id 16WcbL-0006PP-00 for freebsd-questions@freebsd.org; Fri, 01 Feb 2002 04:15:31 -0800 Message-Id: <3.0.5.32.20020201041545.00f94078@pop.interchange.ubc.ca> X-Sender: zev@pop.interchange.ubc.ca X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Fri, 01 Feb 2002 04:15:45 -0800 To: freebsd-questions@freebsd.org From: Zev Thompson Subject: Re: noatime switch on local mount In-Reply-To: <20020131185930.GA2520@raggedclown.net> References: <20020131191902.P68986@roman.mobil.cz> <5.1.0.14.0.20020131112513.00aa6c20@postoffice.swbell.net> <20020131191902.P68986@roman.mobil.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >> > Reading that atime update really isn't that big of a hit for casual systems >> > (expect for make world stuff) like mine but hey, never hurts to get a >> > little more performance out of my box :) >Well you can use it in "find" for whatever reason as well. >I should think any performance gain a small system might gain for it >would be infinitesimally small, and as noted above, it will break >new mail notification. I read a page of FreeBSD filesystem benchmarks a while back that showed the noatime flag to give a performance increase on the order of that gained by setting the async flag, or using softupdates. But as I can't find a link to it right now, I'm not willing to pretend I know it to be true. Zev To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message