Re: High load average on disk I/O on 2.6.17-rc3

From: Peter Williams
Date: Mon May 08 2006 - 20:12:46 EST


Bernd Eckenfels wrote:
Erik Mouw <erik@xxxxxxxxxxxxxxxxxxxxx> wrote:
... except that any kernel < 2.6 didn't account tasks waiting for disk
IO. Load average has always been somewhat related to tasks contending
for CPU power.

Actually all Linux kernels accounted for diskwaits and others like BSD based
not. It is a very old linux oddness.

Personally, I see both types of load estimates (i.e. CPU only and CPU plus IO wait) as useful. Why can't we have both? The cost would be minimal.

Peter
--
Peter Williams pwil3058@xxxxxxxxxxxxxx

"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
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