Date: Wed, 23 May 2007 12:11:52 +0200 From: Ivan Voras <ivoras@fer.hr> To: freebsd-current@freebsd.org Cc: freebsd-fs@freebsd.org Subject: Re: ZFS committed to the FreeBSD base. Message-ID: <f31419$bd8$1@sea.gmane.org> In-Reply-To: <20070523093231.GA29797@xor.obsecurity.org> References: <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> <20070522083112.GA5136@hub.freebsd.org> <4652B15D.5060505@unsane.co.uk> <20070523085532.GA27542@hub.freebsd.org> <20070523093231.GA29797@xor.obsecurity.org>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig053AB28F72BD0A1543C789D7 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Kris Kennaway wrote: > i.e. plain ZFS wants to use 3/4 of the *physical* RAM in the system > (or all but 1GB). i.e. if you have 16GB in your system then zfs will > try to use up to 15GB of it for caching leaving only 1GB for > everything else (kernel + userland). >=20 > I would actually be interested to know how Solaris gets away with > this. It sounds like there must be less of a distinction between > memory allocated to the kernel and to userland, and the ability for > memory to flow between these two with some form of backpressure when > userland wants memory that is currently gobbled by up solaris ZFS. Isn't it adequately explained with Sparc being a 64-bit platform? --------------enig053AB28F72BD0A1543C789D7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFGVBNpldnAQVacBcgRAjxNAKDKndBee37V9m0tGQZW159PJbMnYwCgjEPY ofLCrMGGY+D2+/jhVlKxdL0= =3JMY -----END PGP SIGNATURE----- --------------enig053AB28F72BD0A1543C789D7--
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