Proposals to jail subsystem

[Julian Elischer]

Quake Lee wrote:
> Hi all,
> 
> The virtualization is trend now, we have zone on solaris, xen, kvm on 
> linux,
> especially xen takes a important role in Amazon's Cloud computing,
> so I think the following functionalities would be quite useful for jail 
> users:
> 
>  - Per-jail memory quota;
>  - Per-jail CPU usage quota (like, we only schedule processes in this 
> jail to N CPUs);
>  - Allow the use of multiple IPs inside a jail;
> 
> Is it possible to implement these functionalities?

look at vimage

google for vimage and FreeBSD

>