linux-kernel - Re: Summary of resource management discussion

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Message-ID: <20070313175820.GA21825@in.ibm.com>
Date:	Tue, 13 Mar 2007 23:28:20 +0530
From:	Srivatsa Vaddagiri <vatsa@...ibm.com>
To:	menage@...gle.com, xemul@...ru, dev@...ru, pj@....com,
	sam@...ain.net, ebiederm@...ssion.com, winget@...gle.com,
	serue@...ibm.com, akpm@...ux-foundation.org,
	containers@...ts.osdl.org, linux-kernel@...r.kernel.org,
	ckrm-tech@...ts.sourceforge.net
Subject: Re: Summary of resource management discussion

On Tue, Mar 13, 2007 at 05:24:59PM +0100, Herbert Poetzl wrote:
> what about identifying different resource categories and
> handling them according to the typical usage pattern?
> 
> like the following:
> 
>  - cpu and scheduler related accounting/limits
>  - memory related accounting/limits
>  - network related accounting/limits
>  - generic/file system related accounting/limits
> 
> I don't worry too much about having the generic/file stuff
> attached to the nsproxy, but the cpu/sched stuff might be
> better off being directly reachable from the task

I think we should experiment with both combinations (a direct pointer
to cpu_limit structure from task_struct and an indirect pointer), get
some numbers and then decide. Or do you have results already with
respect to that?

> > 3. How are cpusets related to vserver/containers?
> > 
> > 	Should it be possible to, lets say, create exclusive cpusets and
> > 	attach containers to different cpusets?
> 
> that is what Linux-VServer does atm, i.e. you can put
> an entire guest into a specific cpu set 

Interesting. What abt /dev/cpuset view? Is that same for all containers
or do you restrict that view to the containers cpuset only?

-- 
Regards,
vatsa
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