Date: Mon, 28 Feb 2011 21:48:47 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Fabian Keil <freebsd-listen@fabiankeil.de> Cc: freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org, Pawel Jakub Dawidek <pjd@FreeBSD.org> Subject: Re: HEADS UP: ZFSv28 is in! Message-ID: <20110228214847.0000078c@unknown> In-Reply-To: <20110228192129.119cac0c@r500.local> References: <20110227202957.GD1992@garage.freebsd.pl> <20110228192129.119cac0c@r500.local>
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On Mon, 28 Feb 2011 19:21:29 +0100 Fabian Keil <freebsd-listen@fabiankeil.de> wrote: > Pawel Jakub Dawidek <pjd@FreeBSD.org> 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.
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