Limiting jail CPU & memory resources

[Fbsd8]

Mark Felder wrote:
> On Fri, 01 Mar 2013 09:52:41 -0600, <fbsd8 at a1poweruser.com> wrote:
> 
>> Read that all ready and left me with more question than answers.
>> Its experimental and has to be compiled into the kernel.
>> Need solutions that are provided as part of the base system.
>> Such as a loadable kernel module.
>>  Can not be risking the security of production jails on some
>> experimental software.
> 
> Unfortunately there's nothing else available yet. You'd be better off 
> using full-fledged hypervisors like Xen, KVM, or ESXi. I'm also 
> anxiously awaiting some improvement in this area.
> 
> 

What do you think about the new jail.conf parameter cpuset.id from jail(8)?

Seems to me it's a way to dedicate one or more CPUs to a single jail for 
increased jail performance. Really the opposite of limiting cpu 
resources to a jail.