linux-kernel - Re: cgroup: status-quo and userland efforts

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Message-ID: <1372399204.5989.166.camel@marge.simpson.net>
Date:	Fri, 28 Jun 2013 08:00:04 +0200
From:	Mike Galbraith <bitbucket@...ine.de>
To:	Tejun Heo <tj@...nel.org>
Cc:	Tim Hockin <thockin@...kin.org>, Li Zefan <lizefan@...wei.com>,
	Containers <containers@...ts.linux-foundation.org>,
	Cgroups <cgroups@...r.kernel.org>,
	bsingharora <bsingharora@...il.com>,
	"dhaval.giani" <dhaval.giani@...il.com>,
	Kay Sievers <kay.sievers@...y.org>,
	jpoimboe <jpoimboe@...hat.com>,
	"Daniel P. Berrange" <berrange@...hat.com>,
	lpoetter <lpoetter@...hat.com>,
	workman-devel <workman-devel@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: cgroup: status-quo and userland efforts

On Thu, 2013-06-27 at 22:01 -0700, Tejun Heo wrote:

> Anyways, if you're root, you can keep doing whatever you want.  You
> could be stepping on the centralized agent's toes a bit and vice-versa

Keep on truckn' sounds good, that vice-versa toe stomping not so good,
but yeah, until systemd or ilk grows the ability to shut me down, I
shouldn't feel any burning need to introduce it to my machete.

> but I don't think that's gonna be disastrous.  What I'm trying to
> stamp out is direct usages from !root domains and !system-management
> binaries / scripts.  They absolutely have to go.  There's no question
> about it and I'll take totalitarian userland agent anyday over the
> current mess.

I get some of the why.. and yeah, it's the dirt simple usage that I care
about most, not the big hairy problem cases you're trying to address. 

> Eventually, I think we'll be able to reach an equilibrium where most
> things are reasonable and we'll be exploring the acceptable limits of
> flexibility again, but right now, please bear with the brutality.
> We're way over the line and I can't see a way back which isn't gonna
> sting a bit.  I'm and will keep trying to make it as painless as
> possible.

Keep on driving, and thanks for listening.  Aaaooooo ;-)

-Mike

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