| Re: [ckrm-tech] [RFC] Resource Management - Infrastructure choices [message #7960 is a reply to message #7955] |
Wed, 01 November 2006 07:58   |
Pavel Emelianov
Messages: 1149
Registered: September 2006
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Senior Member |
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Paul Menage wrote:
> On 10/31/06, Pavel Emelianov <xemul@openvz.org> wrote:
>>
>> That's functionality user may want. I agree that some users
>> may want to create some kind of "persistent" beancounters, but
>> this must not be the only way to control them. I like the way
>> TUN devices are done. Each has TUN_PERSIST flag controlling
>> whether or not to destroy device right on closing. I think that
>> we may have something similar - a flag BC_PERSISTENT to keep
>> beancounters with zero refcounter in memory to reuse them.
>
> How about the cpusets approach, where once a cpuset has no children
> and no processes, a usermode helper can be executed - this could
Hmm... Sounds good. I'll think over this.
> immediately remove the container/bean-counter if that's what the user
> wants. My generic containers patch copies this from cpusets.
>
>>
>> Moreover, I hope you agree that beancounters can't be made as
>> module. If so user will have to built-in configfs, and thus
>> CONFIG_CONFIGFS_FS essentially becomes "bool", not a "tristate".
>
> How about a small custom filesystem as part of the containers support,
> then? I'm not wedded to using configfs itself, but I do think that a
> filesystem interface is much more debuggable and extensible than a
> system call interface, and the simple filesystem is only a couple of
> hundred lines.
This sounds more reasonable than using configfs for me.
> Paul
>
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