Messages in this thread | | | Date | Wed, 23 Jan 2008 21:08:28 +0530 | From | Balbir Singh <> | Subject | Re: [PATCH] cgroup: limit block I/O bandwidth |
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* Andrea Righi <righiandr@users.sourceforge.net> [2008-01-23 16:23:59]:
> Probably tracking who dirtied the pages would be the best approach, but > we want also to reduce the overhead of this tracking. So, we should find > a smart way to track which cgroup dirtied the pages and then only when > the i/o scheduler dispatches the write requests of those pages, account > the i/o operations to the opportune cgroup. In this way throttling could > be done probably in __set_page_dirty() as well. >
I think the OpenVZ controller works that way.
> -Andrea
-- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL
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