| Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) [message #5509 is a reply to message #5503] |
Tue, 22 August 2006 07:43  |
xemul
Messages: 248
Registered: November 2005
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Senior Member |
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Rohit Seth wrote:
[snip]
>>>> inodes can belong to multiple containers and so do the pages.
>>>>
>>>
>>> I'm still thinking that inodes should belong to one container (or may be
>>> have it configurable based on some flag).
>> this is not true for OpenVZ nor Linux-VServer.
>
>
> Well, it is still useful. Just like an anonymous page get charged to
> container where the object (task) belong to, file page seems appropriate
> to belong to container where the object (inode) belongs to.
>
> -rohit
Making inodes belong to one container only significantly shrinks
container density. Sharing of glibc only saves up to 4Mb per container.
For the case of 100 containers it is 400Mb of booth - the disk space
and (what is more important) - RAM.
Pavel.
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