>> I have a machine running web server. It has a lot of httpd's loaded and
>> most of them are sleeping. The load average is always around 7-13, so I
>> wonder why the CPU usage doesn't reach ~100%. It wastes CPU time or
>> simply there is something top does not show ?
>
> Two words, "disk I/O".
Which is very low. I have 384MB and disk i/o is below 1MB/s most of time with
little seeking. Anyway during disk I/O the task is sleeping, not ready, and CPU
should be given to another task.
Bye.
Giuliano Pochini ->)|(<- Shiny Corporation {AS6665} ->)|(<-
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