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[dm-devel] Re: Regarding dm-ioband tests



* Ryo Tsuruta <ryov valinux co jp> [2009-09-08 12:01:19]:

> I think there are some advantages to dm-ioband. That's why I post
> dm-ioband to the mailing list.
> 
> - dm-ioband supports not only proportional weight policy but also rate
>   limiting policy. Besides, new policies can be added to dm-ioband if
>   a user wants to control bandwidth by his or her own policy.
> - The dm-ioband driver can be replaced without stopping the system by
>   using device-mapper's facility. It's easy to maintain.
> - dm-ioband can use without cgroup. (I remember Vivek said it's not an
>   advantage.)

But don't you need page_cgroup for IO tracking?

-- 
	Balbir


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