Date: Tue, 30 Nov 2004 03:39:47 +0100
From: Marek Habersack <grendel@caudium.net>
To: Peter Chubb <peter@chubb.wattle.id.au>
Cc: Jeff Dike <jdike@addtoit.com>, linux-kernel@vger.kernel.org
Subject: Re: user- vs kernel-level resource sandbox for Linux?
Message-ID: <20041130023947.GI5378@beowulf.thanes.org>
Reply-To: grendel@caudium.net
References: <20041129101919.GB9419@beowulf.thanes.org> <200411292000.iATK0qOF004026@ccure.user-mode-linux.org> <16811.40687.892939.304185@wombat.chubb.wattle.id.au>
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On Tue, Nov 30, 2004 at 09:13:03AM +1100, Peter Chubb scribbled:
> >>>>> "Jeff" =3D=3D Jeff Dike <jdike@addtoit.com> writes:
>=20
> Jeff> grendel@caudium.net said:
> >> I would appreciate any pointers to the userland solutions for that
> >> problem (if any exist) before I resort to Xen/UML.
>=20
> Jeff> UML would be exactly what you're looking for.
>=20
> Jeff> 				Jeff
>=20
> apart from the performance hit :-(
that's the problem...

>=20
> There have been a number of different approaches proposed in the past
> to limit real memory usage per-process; search for RSS limit in the
> archives.
per-process isn't enough. I specifically need something to limit the memory
usage on a more global scale - per user ID or per process group or a similar
way of grouping related processes. That's the only way to tame processes
like apache. At this point the option I'm considering is Xen, unless I can
find a userland solution to the problem...

regards,

marek

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