Re: systemd and cgroups: heads up

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On 08/26/2010 09:59 AM, Matthew Miller wrote:
> On Wed, Aug 25, 2010 at 10:13:05PM -0400, Daniel J Walsh wrote:
>>> Hmm, why is libcgroup pulled in by policycoreutils? What's the
>>> rationale?
>> It is used for confining sandboxes.
> 
> Having now looked at both projects, it appears to me that they are in
> conflict. They could be made to work side by side, in the same way that
> systemd's cron replacement feature doesn't necessarily mean that you can't
> run traditional crond, but there is significant overlap in terms of
> categorization policy. That is, libcgroup uses cgclassify to put stuff into
> cgroups, whereas systemd uses pam_systemd for users and creates cgroups
> automatically for services.
> 
> This overlap doesn't seem good for the distribution.
> 
> 
> Dan, *could* systemd as it stands provide what you need for sandboxes?
> 
> 
I don't know.  My goal with sandbox was to allow users to startup
sandboxes in such a way that they could be still killed.

Is there a way in cgroups to say

dwalsh gets 80% CPU
Then allow dwalsh to specify sandboxes can only use 80% of His CPU.  So
he can kill them.
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