linux-kernel - Re: [ckrm-tech] [PATCH 0/2] resource control file system

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Message-ID: <6599ad830703071658q60466dd8hd18a1eab9bc17535@mail.gmail.com>
Date:	Wed, 7 Mar 2007 16:58:43 -0800
From:	"Paul Menage" <menage@...gle.com>
To:	"Sam Vilain" <sam@...ain.net>
Cc:	"Srivatsa Vaddagiri" <vatsa@...ibm.com>,
	ckrm-tech@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	xemul@...ru, dev@...ru, pj@....com,
	"Eric W. Biederman" <ebiederm@...ssion.com>, winget@...gle.com,
	containers@...ts.osdl.org, "Serge E. Hallyn" <serue@...ibm.com>,
	akpm@...ux-foundation.org
Subject: Re: [ckrm-tech] [PATCH 0/2] resource control file system - aka containers on top of nsproxy!

On 3/7/07, Sam Vilain <sam@...ain.net> wrote:
> But "namespace" has well-established historical semantics too - a way
> of changing the mappings of local * to global objects. This
> accurately describes things liek resource controllers, cpusets, resource
> monitoring, etc.

Sorry, I think this statement is wrong, by the generally established
meaning of the term namespace in computer science.

>
> Trying to extend the well-known term namespace to refer to things that
> are semantically equivalent namespaces is a useful approach, IMHO.
>

Yes, that would be true. But the kinds of groupings that we're talking
about are supersets of namespaces, not semantically equivalent to
them. To use Eric's "shoe" analogy from earlier, it's like insisting
that we use the term "sneaker" to refer to all footware, including ski
boots and birkenstocks ...

Paul
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