Performance impact with SCHED_ULE in 5.1?

Robert Huff roberthuff at rcn.com
Fri Oct 17 06:06:59 PDT 2003



>  Using SCHED_ULE instead of SCHED_4BSD seems to result in massive
>  performance losses in NFS in conjunction with the Intel "em"-NICs.

	<deletia>

>  Does anybody recognized similar problems?

	SCHED_ULE is very much a work-in-progress; I have seen reports
of both instability and performance loss, not limited to a
particular hardware setup.


						Robert Huff




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