> The disk and the IO thread are active a higher portion of the time, while the
> kernel hog gets the same amount of time. So in this case we have improved
> both latency and throughput.
>
> Naturally I constructed this case to show the effect most clearly. There are
> many possible variations on the above scenario. It does seem to explain the
> latency/throughput improvements that have been reported in practice.
Well put. I think this is exact the scenario we are observing.
Its the same benefit to latency. We react quicker.
Robert Love
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