From owner-freebsd-hackers@FreeBSD.ORG Wed Oct 27 18:27:52 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5D4F0106564A for ; Wed, 27 Oct 2010 18:27:52 +0000 (UTC) (envelope-from peterjeremy@acm.org) Received: from mail13.syd.optusnet.com.au (mail13.syd.optusnet.com.au [211.29.132.194]) by mx1.freebsd.org (Postfix) with ESMTP id DBF2F8FC26 for ; Wed, 27 Oct 2010 18:27:51 +0000 (UTC) Received: from server.vk2pj.dyndns.org (c220-239-116-103.belrs4.nsw.optusnet.com.au [220.239.116.103]) by mail13.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id o9RIRdjR018648 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 28 Oct 2010 05:27:41 +1100 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.4/8.14.4) with ESMTP id o9RIRbGi044832; Thu, 28 Oct 2010 05:27:37 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.4/8.14.4/Submit) id o9RIRbIq044831; Thu, 28 Oct 2010 05:27:37 +1100 (EST) (envelope-from peter) Date: Thu, 28 Oct 2010 05:27:37 +1100 From: Peter Jeremy To: Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= Message-ID: <20101027182737.GB78665@server.vk2pj.dyndns.org> References: <4CC44E5B.9040902@infracaninophile.co.uk> <20101024152835.GA62748@muon.cran.org.uk> <19652.22833.731361.647776@y.dockes.com> <20101025093149.GA67314@server.vk2pj.dyndns.org> <86y69jxzz1.fsf@ds4.des.no> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="RASg3xLB4tUQ4RcS" Content-Disposition: inline In-Reply-To: <86y69jxzz1.fsf@ds4.des.no> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.20 (2009-06-14) Cc: Jean-Francois Dockes , freebsd-hackers@freebsd.org Subject: Re: dump cache performance X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Oct 2010 18:27:52 -0000 --RASg3xLB4tUQ4RcS Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2010-Oct-27 20:17:06 +0200, Dag-Erling Sm=F8rgrav wrote: >Peter Jeremy writes: >> I've mostly convered to ZFS but still have UFS root (which is basically >> a full base install without /var but including /usr/src - 94k inodes >> and 1.7GB). I've run both the 8-stable ("stable") and patched ("jfd") d= ump=20 >> alternately 4 times with 50/250MB cache with the following results: >> >> x stable >> + jfd >> +------------------------------------------------------------+ >> | +| >> | +| >> | x +| >> |x xx +| >> ||AM A| >> +------------------------------------------------------------+ >> N Min Max Median Avg Std= dev >> x 4 9413 9673 9568 9555.5 107.12= 143 >> + 4 15359 15359 15359 15359 = 0 > >9413 what? Puppies? Ooops, sorry - KB/sec as reported in the dump summary. --=20 Peter Jeremy --RASg3xLB4tUQ4RcS Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (FreeBSD) iEYEARECAAYFAkzIbxgACgkQ/opHv/APuIdLcwCeLl71MWUATT1vSEQEJ3mh6vcB wUIAnjidzWESTV0Yh/6HrpfAeL8UYDKu =BDpg -----END PGP SIGNATURE----- --RASg3xLB4tUQ4RcS--