From owner-cvs-all Sun Oct 14 12:17:58 2001 Delivered-To: cvs-all@freebsd.org Received: from rover.village.org (rover.bsdimp.com [204.144.255.66]) by hub.freebsd.org (Postfix) with ESMTP id CD88737B403; Sun, 14 Oct 2001 12:17:53 -0700 (PDT) Received: from harmony.village.org (harmony.village.org [10.0.0.6]) by rover.village.org (8.11.3/8.11.3) with ESMTP id f9EJHqu34383; Sun, 14 Oct 2001 13:17:52 -0600 (MDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost [127.0.0.1]) by harmony.village.org (8.11.6/8.11.6) with ESMTP id f9EJHo712757; Sun, 14 Oct 2001 13:17:50 -0600 (MDT) (envelope-from imp@harmony.village.org) Message-Id: <200110141917.f9EJHo712757@harmony.village.org> To: Mike Silbersack Subject: Re: noatimedir? (Re: cvs commit: src/sys/vm vnode_pager.c) Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org In-reply-to: Your message of "Sun, 14 Oct 2001 12:43:45 CDT." <20011014123818.J38047-100000@achilles.silby.com> References: <20011014123818.J38047-100000@achilles.silby.com> Date: Sun, 14 Oct 2001 13:17:50 -0600 From: Warner Losh Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20011014123818.J38047-100000@achilles.silby.com> Mike Silbersack writes: : Hrm, have any atime vs noatime benchmarks been done? It's always : mentioned in tuning guides, but I've never thought about how much of a : performance difference it makes. In the 3.2 days, I measured about a 5% reduction in the time world took to build if your src tree was read only OR mounted noatime. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message