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Date:      Mon, 15 Feb 2010 21:12:56 +0300 (MSK)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Artem Belevich <fbsdlist@src.cx>
Cc:        Alexander Leidinger <Alexander@leidinger.net>, freebsd-stable@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com>
Subject:   Re: hardware for home use large storage
Message-ID:  <alpine.BSF.2.00.1002152109320.7590@woozle.rinet.ru>
In-Reply-To: <ed91d4a81002150854w421b054oc81eb88ae767f5b4@mail.gmail.com>
References:  <cf9b1ee01002150049o43fced71ucb5776a0a1eaf4cf@mail.gmail.com> <20100215090756.GA54764@icarus.home.lan> <20100215105000.101326yj01j0f64g@webmail.leidinger.net> <20100215122744.GA57382@icarus.home.lan> <20100215161105.14071eiflhc9le68@webmail.leidinger.net> <ed91d4a81002150854w421b054oc81eb88ae767f5b4@mail.gmail.com>

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On Mon, 15 Feb 2010, Artem Belevich wrote:

AB> It used to be that vm.kmem_size_max needed to be bumped to allow for
AB> larger vm.kmem_size. It's no longer needed on amd64. Not sure about
AB> i386.
AB> 
AB> vm.kmem_size still needs tuning, though. While vm.kmem_size_max is no
AB> longer a limit, there are other checks in place that result in default
AB> vm.kmem_size being a bit on the conservative side for ZFS.

it seems so at least: on a machine with 8G RAM kmem_size is set to 2G, from 
which 1.5G is allocated for arc_max.

I'll try to increase them to 4G / 3G and test whether machine is stable...

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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