Per Jail Memory Limits
Bjoern A. Zeeb
bzeeb-lists at lists.zabbadoz.net
Tue Oct 6 10:50:08 UTC 2009
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 at tomjudge.com
>>> <mailto:tom at 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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