From owner-freebsd-bugs Sat Dec 28 07:48:10 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id HAA15595 for bugs-outgoing; Sat, 28 Dec 1996 07:48:10 -0800 (PST) Received: from tfs.com (tfs.com [140.145.250.1]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id HAA15588 for ; Sat, 28 Dec 1996 07:48:08 -0800 (PST) Received: from critter.dk.tfs.com by tfs.com (smail3.1.28.1) with SMTP id m0ve0z2-0003wNC; Sat, 28 Dec 96 07:47 PST Received: from critter.dk.tfs.com (localhost.dk.tfs.com [127.0.0.1]) by critter.dk.tfs.com (8.8.2/8.8.2) with ESMTP id QAA03568; Sat, 28 Dec 1996 16:50:45 +0100 (MET) To: dg@root.com cc: Bruce Evans , bugs@freebsd.org Subject: Re: another POSIX access timestamp pessimization In-reply-to: Your message of "Sat, 28 Dec 1996 07:00:14 PST." <199612281500.HAA01066@root.com> Date: Sat, 28 Dec 1996 16:50:44 +0100 Message-ID: <3566.851788244@critter.dk.tfs.com> From: Poul-Henning Kamp Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In message <199612281500.HAA01066@root.com>, David Greenman writes: >>POSIX says that "Upon successful completion, the exec functions shall >>mark for update the st_atime field of the file". Not content with > > In my opinion, "tough". This is one part of POSIX that I'm not interested >in being compatible with since the cost is too great. It may not be much of >an issue at exec time, but the disk I/O caused by the update of the access >time that occurs later is extremely expensive. > >-DG mount option ? -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.