Re: Blkio not providing performance relative to the weights

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Hello, Ankur.

On Thu, Jul 28, 2016 at 02:55:39PM +0530, Ankur Khurana wrote:
> My question is : Given that the bytes read were not in ratio of the
> weights provided, Is this expected behavior ? if not, is it something
> that I am possibly over looking while performing the experiments?

Unfortunately, cfq's behavior isn't all that deterministic when it
comes to proportional control.  The weights and actual sequential
bandwidth do form postive correlation but that's about it and it
doesn't look like cfq will get a lot better on this front.

Thanks.

-- 
tejun
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