From owner-freebsd-current@FreeBSD.ORG Tue May 22 16:39:41 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1FA2316A41F for ; Tue, 22 May 2007 16:39:41 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 9922413C465 for ; Tue, 22 May 2007 16:39:40 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id D9EAE48807; Tue, 22 May 2007 18:39:38 +0200 (CEST) Received: from localhost (pjd.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 973FC48809; Tue, 22 May 2007 18:39:25 +0200 (CEST) Date: Tue, 22 May 2007 18:39:20 +0200 From: Pawel Jakub Dawidek To: Solon Luigi Lutz Message-ID: <20070522163920.GF1135@garage.freebsd.pl> References: <20070410003837.GB8189@nowhere> <20070410011125.GB38535@xor.obsecurity.org> <20070410013034.GC8189@nowhere> <20070410014233.GD8189@nowhere> <4651BD6F.5050301@unsane.co.uk> <20070522083112.GA5136@hub.freebsd.org> <4652B15D.5060505@unsane.co.uk> <20070522090947.GA3005@garage.freebsd.pl> <204195092.20070522165943@pyro.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ExXT7PjY8AI4Hyfa" Content-Disposition: inline In-Reply-To: <204195092.20070522165943@pyro.de> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r804 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-current@freebsd.org Subject: Re: ZFS committed to the FreeBSD base. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 May 2007 16:39:41 -0000 --ExXT7PjY8AI4Hyfa Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 22, 2007 at 04:59:43PM +0200, Solon Luigi Lutz wrote: > KVS> Pawel Jakub Dawidek writes: > >>> I may reinstall at a later date as this is still very much a box to p= lay > >>> with, but I gather there is no great gain from going 64 bit other than > >>> not having to play with PAE if you've got lots or RAM. > >> > >> I expect there is a huge difference in performance between i386 and > >> amd64. I'm currently setting up environment to compare ZFS on > >> FreeBSD/i386, FreeBSD/amd64 and Solaris. >=20 > KVS> I've had precious little time to do more testing on our amd64-setup,= but > KVS> it seems that vm.kmem.size_max is a 32-bit uint, so we can't really = use > KVS> much RAM for ZFS. >=20 > These are the figures for the following out-of-the-box 7.0 amd64 smp syst= em: out-of-the-box means that you still have INVARIANTS/WITNESS turned on? > Athlon X2 3800, 1GB Ram, Asus M2N-SLI (modified), 24x 500GB (Samsung Spin= point), > Areca ARC1280 running RAID-6. >=20 > ZFS > -------Sequential Output-------- ---Sequential Input-- --Ra= ndom-- > -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Se= eks--- > Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /se= c %CPU > 8000 89555 85.6 188475 63.3 114048 36.9 95865 97.2 460375 64.0 = 41.2 0.3 >=20 > Test was done on a 10TB volume. >=20 > Since the machine is running in semi-production mode, I can't perform any= UFS > tests anymore. The systems is running stable, and extensive > checksumming after 8TB data transfers didn't reveal any errors, > neither did a filesystem-stress-test. Checksumming with 'cfv' runs at a s= ustained > data rate of 290MB/s :) --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --ExXT7PjY8AI4Hyfa Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGUxy4ForvXbEpPzQRAp88AJ9Qt0rDFAuMWYIQgm5ynVhk9+QzAgCcCQW+ FEbnJq9ae03dfpojCb55awQ= =WTPi -----END PGP SIGNATURE----- --ExXT7PjY8AI4Hyfa--