Re: [RFC][PATCH] per-task I/O throttling

From: Andrea Righi
Date: Fri Jan 11 2008 - 10:44:25 EST


David Newall wrote:
> Andrea Righi wrote:
>> [I/O-intensive] processes can noticeably impact the system responsiveness
>> for some time and playing with tasks' priority is not always an
>> acceptable solution.
>>
>
> Why?
>

Well, I mean, we can't use 'nice' to grant less priority for the I/O
intensive app, because the I/O intensive app itself doesn't need a lot
of CPU. Instead, the I/O-bound app eats all the available I/O bandwidth,
that's a different issue.

-Andrea
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