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

From: David Newall
Date: Wed Jan 16 2008 - 14:21:19 EST


Andrea Righi wrote:
> 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.

That's what I was thinking. Your original, "not always an acceptable
solution," made me wonder if you were referring to something obscure.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/