Date: Mon, 21 May 2007 18:40:33 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Dag-Erling Sm??rgrav <des@des.no> Cc: Craig Boston <craig@xfoil.gank.org>, freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org, Kris Kennaway <kris@obsecurity.org>, ups@FreeBSD.org, Vince <jhary@unsane.co.uk> Subject: Re: ZFS committed to the FreeBSD base. Message-ID: <20070521164033.GA2975@garage.freebsd.pl> In-Reply-To: <86lkfiqh4y.fsf@dwp.des.no> References: <20070407180319.GH8831@cicely12.cicely.de> <20070407191517.GN63916@garage.freebsd.pl> <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>
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--+HP7ph2BbKc20aGI Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 21, 2007 at 06:24:29PM +0200, Dag-Erling Sm??rgrav wrote: > Vince <jhary@unsane.co.uk> writes: > > I dont suppose that there are any other tunables people could suggest? >=20 > sysctl kern.maxvnodes=3D50000 >=20 > 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). --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --+HP7ph2BbKc20aGI Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGUcuBForvXbEpPzQRAikeAKCu8N5XjfHwFHFaPAKScUFnWErHzQCgsjMu dVFQjRGwAqAgHSqViJO/VdI= =B8wJ -----END PGP SIGNATURE----- --+HP7ph2BbKc20aGI--
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