From owner-freebsd-hackers@FreeBSD.ORG Tue Jan 13 08:07:27 2009 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AAD20106566B for ; Tue, 13 Jan 2009 08:07:27 +0000 (UTC) (envelope-from peterjeremy@optusnet.com.au) Received: from fallbackmx08.syd.optusnet.com.au (fallbackmx08.syd.optusnet.com.au [211.29.132.10]) by mx1.freebsd.org (Postfix) with ESMTP id C795B8FC14 for ; Tue, 13 Jan 2009 08:07:26 +0000 (UTC) (envelope-from peterjeremy@optusnet.com.au) Received: from mail36.syd.optusnet.com.au (mail36.syd.optusnet.com.au [211.29.133.76]) by fallbackmx08.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id n0D7uDFU027429 for ; Tue, 13 Jan 2009 18:56:13 +1100 Received: from server.vk2pj.dyndns.org (c122-106-215-175.belrs3.nsw.optusnet.com.au [122.106.215.175]) by mail36.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id n0D7u13r026249 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 13 Jan 2009 18:56:05 +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 (8.14.3/8.14.3) with ESMTP id n0D7u19F032057; Tue, 13 Jan 2009 18:56:01 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.3/8.14.3/Submit) id n0D7u0OH032056; Tue, 13 Jan 2009 18:56:00 +1100 (EST) (envelope-from peter) Date: Tue, 13 Jan 2009 18:56:00 +1100 From: Peter Jeremy To: Yoshihiro Ota Message-ID: <20090113075600.GA31919@server.vk2pj.dyndns.org> References: <20090109.095027.-1672857892.imp@bsdimp.com> <20090111041710.GB5661@server.vk2pj.dyndns.org> <20090112050537.f423215c.ota@j.email.ne.jp> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="IJpNTDwzlM2Ie8A6" Content-Disposition: inline In-Reply-To: <20090112050537.f423215c.ota@j.email.ne.jp> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.18 (2008-05-17) X-Mailman-Approved-At: Tue, 13 Jan 2009 12:19:57 +0000 Cc: hackers@freebsd.org Subject: Re: 3x read to write ratio on dump/restore 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: Tue, 13 Jan 2009 08:07:27 -0000 --IJpNTDwzlM2Ie8A6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2009-Jan-12 05:05:37 -0500, Yoshihiro Ota wrote: >Jermey, I tought you wrote this, >http://lists.freebsd.org/pipermail/freebsd-hackers/2007-February/019666.ht= ml. Yes, that is my message. I had forgotten it. If you dig back further, you'll find that I looked into the poor read behaviour of dump before the caching code existed (and one of the outcomes of that thread was the current caching code). --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --IJpNTDwzlM2Ie8A6 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAklsSRAACgkQ/opHv/APuIfBiQCbBd2Lcoh8TCRq8bV618vXvHS+ /AcAn3naeJQEMbIvEZLnvw2bSvuIAdi5 =iDLR -----END PGP SIGNATURE----- --IJpNTDwzlM2Ie8A6--