Date: Tue, 6 Oct 2009 10:45:55 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Julian Elischer <julian@elischer.org> Cc: Adam Vande More <amvandemore@gmail.com>, FreeBSD virtualization mailing list <freebsd-virtualization@freebsd.org>, freebsd-current@freebsd.org, Jamie Gritton <jamie@FreeBSD.org>, Tom Judge <tom@tomjudge.com>, freebsd-jail@FreeBSD.org Subject: Re: Per Jail Memory Limits Message-ID: <20091006104529.B5956@maildrop.int.zabbadoz.net> In-Reply-To: <4ACA5704.2070404@elischer.org> References: <4ACA0549.7030404@tomjudge.com> <4ACA2E0F.5010800@elischer.org> <4ACA3146.9090402@tomjudge.com> <6201873e0910051142q58e7563fqc7735261ea9ab3c6@mail.gmail.com> <4ACA4216.9060008@tomjudge.com> <4ACA5704.2070404@elischer.org>
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On Mon, 5 Oct 2009, Julian Elischer wrote: > Tom Judge wrote: >> Adam Vande More wrote: >>> On Mon, Oct 5, 2009 at 12:47 PM, Tom Judge <tom@tomjudge.com >>> <mailto:tom@tomjudge.com>> wrote: >>> >>> Julian Elischer wrote: >>> >>> Tom Judge wrote: >>> >>> Hi, >>> >>> Does anyone know of a patch that will add per jail memory >>> limits so that a jail can't swallow the resources of the >>> entire box? >>> >>> >>> Thanks >>> >>> Tom >>> >>> not yet.. >>> >>> >>> I started to port this to 7.1 today: >>> >>> http://wiki.freebsd.org/JailResourceLimits >>> >>> >>> What are the peoples opinions on this patch? >>> >>> >>> Tom >>> >>> >>> If you're soliciting opinions if this will be used and is needed, I would >>> love to see this functionality. This is the main reason I've had to chose >>> XEN over jails. If you need some help testing, let me know. >>> >>> -- >>> Adam Vande More >> Hi Adam, >> >> I have a patch against 7.1 here: >> http://svn.tomjudge.com/freebsd/patches/jail-resource-limits/jail-limits.patch > > > > probably the person who should work with this in -current is james (CC'd) Probably the person who should be contacted is trasz who worked on hierachical resource limit per .., jail in p4. Though this is slightly different. I think it's ok if people need those things to update the pathes but I doubt any will probably ever make it into FreeBSD as those things are kind of contrary to the V_ plans. BTW, I think the patch referenced is not the latest I had seen and I thought that we also had one for 7.x or even for 8 already floating around. Maybe some investigation on list archives etc. might be helpful before starting to hack things. Maybe also check the links on http://wiki.freebsd.org/Jails >> >> >> I will try to bring the patch up to current when I get a chance but I have >> no real need to do this as we use 7.1 in production. >> >> Notes: >> >> * CPU limiting is not support is not supported unless you use >> shecd_4bsd. >> * I have not tested this on any system yet, just compile tested, I am >> putting it though its paces right now. >> >> Tom -- Bjoern A. Zeeb It will not break if you know what you are doing.
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