Re: stochastic fair queueing in the elevator [Re: [BENCHMARK] 2.4.20-ck3 / aa / rmap with contest]

From: Pavel Machek (
Date: Mon Feb 10 2003 - 11:23:02 EST


> The design I proposed is to have multiple I/O queues, where to apply the
> elevator, and to choose the queue in function of the task->pid that is
> sumbitting the bh/bio. You'll have to apply an hash to the pid and
> you

Well, if you want *fair* scheduler, as in "fair between users", I
guess you should base it on task->uid.

That should solve your dbench problems, too, as you are very unlikely
to see two tasks working over same data with different uids.


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