Date: Fri, 7 Jul 2000 08:09:34 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Gregory Sutter <gsutter@zer0.org> Cc: Marius Bendiksen <mbendiks@eunet.no>, freebsd-arch@FreeBSD.ORG Subject: Re: Alterations to vops Message-ID: <20000707080934.I25571@fw.wintelcom.net> In-Reply-To: <20000706223150.A24949@klapaucius.zer0.org>; from gsutter@zer0.org on Thu, Jul 06, 2000 at 10:31:50PM -0700 References: <Pine.BSF.4.05.10007062327020.68909-100000@login-1.eunet.no> <200007070143.SAA96248@apollo.backplane.com> <20000706184859.C25571@fw.wintelcom.net> <20000706223150.A24949@klapaucius.zer0.org>
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* Gregory Sutter <gsutter@zer0.org> [000706 22:32] wrote: > On 2000-07-06 18:48 -0700, Alfred Perlstein <bright@wintelcom.net> wrote: > > > > just a note: > > sysctl -w vfs.vmiodirenable=1 > > helps a _lot_. > > Could you explain what this does? Don't say "use the source"; I > looked and still have no idea. :) Thanks. Directory blocks aren't malloc'd anymore, instead they are taken from the pagecache which gives a _lot_ more room to cache things. The only problem is that for the "average case" you waste nearly 3.5k per directory cached, so it's only really a win on systems with large amounts of ram. -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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