From owner-freebsd-current@FreeBSD.ORG Mon Feb 28 21:08:15 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 2A4D11065670 for ; Mon, 28 Feb 2011 21:08:15 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id DABF08FC0A for ; Mon, 28 Feb 2011 21:08:14 +0000 (UTC) Received: from outgoing.leidinger.net (p5B32E9EA.dip.t-dialin.net [91.50.233.234]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 052EA844015; Mon, 28 Feb 2011 21:48:52 +0100 (CET) Received: from unknown (IO.Leidinger.net [192.168.2.110]) by outgoing.leidinger.net (Postfix) with ESMTP id DF2D6204E; Mon, 28 Feb 2011 21:48:48 +0100 (CET) Date: Mon, 28 Feb 2011 21:48:47 +0100 From: Alexander Leidinger To: Fabian Keil Message-ID: <20110228214847.0000078c@unknown> In-Reply-To: <20110228192129.119cac0c@r500.local> References: <20110227202957.GD1992@garage.freebsd.pl> <20110228192129.119cac0c@r500.local> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.16.0; i586-pc-mingw32msvc) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 052EA844015.A733E X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-1, required 6, autolearn=disabled, ALL_TRUSTED -1.00) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1299530933.12804@nV6lTlzH+baCVUHGlPholw X-EBL-Spam-Status: No 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: Mon, 28 Feb 2011 21:08:15 -0000 On Mon, 28 Feb 2011 19:21:29 +0100 Fabian Keil wrote: > Pawel Jakub Dawidek wrote: > > > I just committed ZFSv28 to HEAD. > > 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. > > I'm not sure which sysctl was to blame, but after removing > all but vfs.zfs.arc_max="800M" and rebooting, the problem > was gone. 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. Bye, Alexander.