From owner-freebsd-current@FreeBSD.ORG Thu Mar 3 12:01:35 2011 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20F89106566C; Thu, 3 Mar 2011 12:01:35 +0000 (UTC) (envelope-from freebsd-listen@fabiankeil.de) Received: from smtprelay03.ispgateway.de (smtprelay03.ispgateway.de [80.67.29.7]) by mx1.freebsd.org (Postfix) with ESMTP id 8C08B8FC23; Thu, 3 Mar 2011 12:01:34 +0000 (UTC) Received: from [78.34.179.69] (helo=r500.local) by smtprelay03.ispgateway.de with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.68) (envelope-from ) id 1Pv7Dp-0001AN-4O; Thu, 03 Mar 2011 13:01:33 +0100 Date: Thu, 3 Mar 2011 13:01:30 +0100 From: Fabian Keil To: Alexander Leidinger Message-ID: <20110303130130.29a066a1@r500.local> In-Reply-To: <20110228214847.0000078c@unknown> References: <20110227202957.GD1992@garage.freebsd.pl> <20110228192129.119cac0c@r500.local> <20110228214847.0000078c@unknown> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.1; amd64-portbld-freebsd9.0) X-PGP-KEY-URL: http://www.fabiankeil.de/gpg-keys/freebsd-listen-2008-08-18.asc Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/GTZoCaocHGHA_suBK/lf3JR"; protocol="application/pgp-signature" X-Df-Sender: 775067 Cc: freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org, Pawel Jakub Dawidek Subject: Re: HEADS UP: ZFSv28 is in! 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: Thu, 03 Mar 2011 12:01:35 -0000 --Sig_/GTZoCaocHGHA_suBK/lf3JR Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Alexander Leidinger wrote: > On Mon, 28 Feb 2011 19:21:29 +0100 Fabian Keil > wrote: >=20 > > Pawel Jakub Dawidek wrote: > >=20 > > > I just committed ZFSv28 to HEAD. > >=20 > > I updated the system without removing the tuning for ZFSv15 > > first, and somehow this completely messed up the performance. > > Booting the system took more than ten minutes and even once > > it was up it was next to unresponsive. > >=20 > > I'm not sure which sysctl was to blame, but after removing > > all but vfs.zfs.arc_max=3D"800M" and rebooting, the problem > > was gone. >=20 > When you add the tuning back, does it take minutes again to boot? If > not, I assume it was cleaning up some leftovers the old version was not > able to cleanup. I haven't tried that yet, but as I didn't upgrade the system's storage pool I don't think ZFS is supposed to do any such clean-ups. I also don't see any similar issues when importing other v15 pools. Fabian --Sig_/GTZoCaocHGHA_suBK/lf3JR Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iEYEARECAAYFAk1vgx4ACgkQBYqIVf93VJ2xRACggaiNusIyN5wOVSj1J4vIu+8R RwoAoMtO/24s2dJxEjujCEYDr9VxdA7G =89QC -----END PGP SIGNATURE----- --Sig_/GTZoCaocHGHA_suBK/lf3JR--