Re: [PATCH] cgroup: limit block I/O bandwidth

[Balbir Singh]

* Andrea Righi <righiandr@xxxxxxxxxxxxxxxxxxxxx> [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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