From owner-freebsd-fs@FreeBSD.ORG Mon Oct 13 13:05:19 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2B1281065687 for ; Mon, 13 Oct 2008 13:05:19 +0000 (UTC) (envelope-from freebsd-fs@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id D64238FC15 for ; Mon, 13 Oct 2008 13:05:18 +0000 (UTC) (envelope-from freebsd-fs@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1KpMQG-0003BH-HV for freebsd-fs@freebsd.org; Mon, 13 Oct 2008 12:21:16 +0000 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 13 Oct 2008 12:21:16 +0000 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 13 Oct 2008 12:21:16 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-fs@freebsd.org From: Ivan Voras Date: Mon, 13 Oct 2008 14:22:02 +0200 Lines: 33 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig81F8E554CCD474BB8AE2F2D7" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Thunderbird 2.0.0.17 (X11/20080925) In-Reply-To: X-Enigmail-Version: 0.95.0 Sender: news Subject: Re: CFT: vm_lowmem event handler patch for dirhash X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Oct 2008 13:05:19 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig81F8E554CCD474BB8AE2F2D7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Nick Barkas wrote: > For more information and a bunch of graphs with results from my > benchmarking, take a look at > http://wiki.freebsd.org/DirhashDynamicMemory. Also, I'll be giving a > talk about this project quite soon now at EuroBSDCon 2008. It's interesting to see that the 2 MB cache is sometimes a little bit faster than the 64 MB one (e.g. kernel build, svn operations, mail). Can you point to an explanation? A bad hash function? Bucket count too low? Experimental inaccuracy? --------------enig81F8E554CCD474BB8AE2F2D7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFI8z1qldnAQVacBcgRAtF+AKDA7tBBHH7yBXMFoBGN0EJ6bW0lOACg+srX 4Z+A766RDKQzDXRzXo/QgaU= =zjRR -----END PGP SIGNATURE----- --------------enig81F8E554CCD474BB8AE2F2D7--