From owner-freebsd-questions@FreeBSD.ORG Mon Jan 17 20:34:49 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 41FC616A4CE for ; Mon, 17 Jan 2005 20:34:49 +0000 (GMT) Received: from mindfields.energyhq.es.eu.org (73.Red-213-97-200.pooles.rima-tde.net [213.97.200.73]) by mx1.FreeBSD.org (Postfix) with ESMTP id C631843D1D for ; Mon, 17 Jan 2005 20:34:47 +0000 (GMT) (envelope-from flynn@energyhq.es.eu.org) Received: from scienide.energyhq.es.eu.org (scienide.energyhq.es.eu.org [192.168.100.1]) by mindfields.energyhq.es.eu.org (Postfix) with SMTP id B4F2035811; Mon, 17 Jan 2005 21:34:45 +0100 (CET) Date: Mon, 17 Jan 2005 21:34:25 +0100 From: Miguel Mendez To: Kris Kennaway Message-Id: <20050117213425.595e6856.flynn@energyhq.es.eu.org> In-Reply-To: <20050117191343.GA79136@xor.obsecurity.org> References: <41EC0D80.8090403@totem.is-a-geek.com> <20050117191343.GA79136@xor.obsecurity.org> X-Mailer: Sylpheed version 1.0.0-gtk2-20041224 (GTK+ 2.4.14; i386-portbld-freebsd5.3) Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="pgp-sha1"; boundary="Signature=_Mon__17_Jan_2005_21_34_25_+0100_8HCrO6jaEgoeJ+tP" cc: freebsd-questions@freebsd.org Subject: Re: Slow directory access with lots of files X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2005 20:34:49 -0000 --Signature=_Mon__17_Jan_2005_21_34_25_+0100_8HCrO6jaEgoeJ+tP Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7bit On Mon, 17 Jan 2005 11:13:43 -0800 Kris Kennaway wrote: Hi, > Do you have UFS_DIRHASH in your kernel? If you don't, or if you added > it after the disk was already populated, you'll see the benefits if > you dump, wipe and restore the disk. Could you elaborate on that? My impression has always been that dirhash does all its magic in memory, without persistant data stored on disk. Cheers, -- Miguel Mendez http://www.energyhq.es.eu.org PGP Key: 0xDC8514F1 --Signature=_Mon__17_Jan_2005_21_34_25_+0100_8HCrO6jaEgoeJ+tP Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFB7CFVnLctrNyFFPERAhS+AJ0R2QsT9Drb8UT5UmpYd8uK3MUQ9gCdGgaK eJdLW/mLHoqDNofgNViK5yY= =8vtG -----END PGP SIGNATURE----- --Signature=_Mon__17_Jan_2005_21_34_25_+0100_8HCrO6jaEgoeJ+tP--