Re: suspend processes at load (was Re: a simple OOM ...)

["Joseph A. Knapka" <jknapka@earthlink.net>]

"James A. Sutherland" wrote:
> 
> Note that process suspension already happens, but with too fine a
> granularity (the scheduler) - that's what causes the problem. If one
> process were able to run uninterrupted for, say, a second, it would
> get useful work done, then you could switch to another. The current
> scheduling doesn't give enough time for that under thrashing
> conditions.

This suggests that a very simple approach might be to just increase
the scheduling granularity as the machine begins to thrash. IOW,
use the existing scheduler as the "suspension scheduler".

-- Joe
 

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