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Date:      Sat, 31 Mar 2012 21:31:58 +0200
From:      Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org>
To:        Slawa Olhovchenkov <slw@zxy.spb.ru>
Cc:        freebsd-current@freebsd.org, Alexander Pyhalov <alp@rsu.ru>
Subject:   Re: rctl limit cpu
Message-ID:  <20120331193158.GA55098@geosci>
In-Reply-To: <20120328123033.GD61230@zxy.spb.ru>
References:  <4E2EC1D4.20302@rsu.ru> <5690C0E7-5FD5-49B1-B1C1-6D56EB95B810@FreeBSD.org> <20120328123033.GD61230@zxy.spb.ru>

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On Wed, Mar 28, 2012 at 04:30:33PM +0400, Slawa Olhovchenkov wrote:
> On Wed, Jul 27, 2011 at 09:32:49PM +0200, Edward Tomasz Napiera?a wrote:
> > Wiadomo?? napisana przez Alexander Pyhalov w dniu 26 lip 2011, o godz. 15:32:
> > > Hello.
> > > I see in rctl man page, that I can limit cpu time in milliseconds, e.g., for jail. But I can't deny allocation of the resource (according to man page).
> > > In Solaris I can assign different amount of cpu shares to different projects. How can I achieve this with rctl? For example, I'd like to give jail:www 40% CPU, jail:db - 50% CPU and leave 10% to the base system...
> > 
> > The cputime resource (it got renamed shortly before the code freeze to match
> > resource names in login.conf(5)) defines amount of CPU time used, not the percentage.
> > That's why you cannot deny it - if you could, it would just make the offending process
> > (jail, login class, user) hang indefinitely.
> > 
> > The %CPU limit is not implemented yet.  I plan to do this before sometime
> > after 9.0 is out.
> 
> Any progress yet?

Nope, sorry.  There is a good chance for this to be a GSoC project this year,
though.

-- 
If you cut off my head, what would I say?  Me and my head, or me and my body?



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