Date: Tue, 01 Jun 2010 11:54:55 -0700 From: Darren Pilgrim <freebsd@bitfreak.org> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: amd64@freebsd.org, freebsd-fs@freebsd.org Subject: Re: FreeBSD 8.1-Prerelease Panic amd64 w/ZFS.. Message-ID: <4C05577F.7040001@bitfreak.org> In-Reply-To: <20100528134549.GA75411@icarus.home.lan> References: <060401cafe37$a411b240$ec3516c0$@net> <4BFF894F.4010008@icyb.net.ua> <20100528134549.GA75411@icarus.home.lan>
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Jeremy Chadwick wrote: > To the OP: you will need to increase vm.kmem_size in /boot/loader.conf > and reboot the system. "What value do I pick?" With 4GB, I would > recommend you use these two variables: > > vm.kmem_size="2048M" > vfs.zfs.arc_max="1536M" > > This will increase the available kmem, and also limit the ARC size > explicitly to nothing larger than 1.5GB. This should stabilise your > system. What are the general guidelines for sizing these given the amount of physical RAM? For example, I have a machine with 6 GB, so I have: vm.kmem_size="3072M" vfs.zfs.arc_max="2048M"
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