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Date:      Mon, 21 May 2007 19:00:02 +0200
From:      "Claus Guttesen" <kometen@gmail.com>
To:        "Pawel Jakub Dawidek" <pjd@freebsd.org>
Cc:        Craig Boston <craig@xfoil.gank.org>, freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Kris Kennaway <kris@obsecurity.org>, ups@freebsd.org, Dag-Erling Sm??rgrav <des@des.no>, Vince <jhary@unsane.co.uk>
Subject:   Re: ZFS committed to the FreeBSD base.
Message-ID:  <b41c75520705211000q7b5c38f1u5988f71fc24ea1d@mail.gmail.com>
In-Reply-To: <20070521164033.GA2975@garage.freebsd.pl>
References:  <20070407180319.GH8831@cicely12.cicely.de> <20070407212413.GK8831@cicely12.cicely.de> <20070410003505.GA8189@nowhere> <20070410003837.GB8189@nowhere> <20070410011125.GB38535@xor.obsecurity.org> <20070410013034.GC8189@nowhere> <20070410014233.GD8189@nowhere> <4651BD6F.5050301@unsane.co.uk> <86lkfiqh4y.fsf@dwp.des.no> <20070521164033.GA2975@garage.freebsd.pl>

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> > > I dont suppose that there are any other tunables people could suggest?
> > sysctl kern.maxvnodes=50000
> >
> > Also, disabling atime on all ZFS file systems will greatly improve
> > performance and reduce the frequency of ATA stalls.
>
> Does anyone seen this problem on amd64? Because after discussion with
> ups@ at devsummit, I don't think this is a problem there. UMA uses
> direct mapping on amd64 for small allocation (just like vnode
> structures).

I have just done a clean install of current (amd64) and upgraded to
gcc 4.2 and installed xorg with /usr/local, /usr/src, /usr/obj on zfs.
No problems, except that one particular file would make my system swap
1.1 GB a couple of times before the file eventually compiled :-)

When I tried to generate a xorg.conf file my machine stopped and I had
to push the reset-button. I thought it was a mix of zfs and X so I
moved /usr/local from zfs to ufs and disabled zfs and rebooted but it
still stopped.

After I copied an old xorg.conf X would start fine. So it was probably
due to a bad probe. I'm compiling kdebase atm. and still no need to
adjust settings.

-- 
regards
Claus

When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.

Shakespeare.



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