Kiffin Gish wrote:
I recently upgraded from 5.4 to 6.0 and noticed the introduction of
option SCHED_ULE for supporting multi-processor environments.
However, I understood that using SCHED_ULE with only one CPU can also
improve performance significantly.
Is this true, and if so, what are the risks involved dropping good old
SCHED_4BSD for the new-and-improved scheduler?
Thanks alot in advance.
I was benchmarking a Java servlet under ULE a few weeks ago, and I
couldn't get result scores as high under ULE as I could under the
regular the 4BSD (although it wasn't too far off) and when I left the
machine benchmarking all night under ULE I came back in the morning to
find the machine unresponsive and in need of a hard reboot.
Mike
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