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SubjectRe: uninteruptable sleep (D state => load_avrg++)
On mer, 04 avr 2001 17:05:05 Paul Jakma wrote:
> imagine a box with a bunch of processes that do almost nothing but
> call on the kernel to do IO. If you only count the runnable state
> towards load_avg then your load_avg will be very low, even though your
> box is swamped - you are ignoring the work of the kernel.
> if you count D towards load_avg then it will reflect this abstract
> 'load' concept more accurately.
> Ie, counting D towards load_avg is a way of taking kernel IO work into
> account when calculating the load average figures.

ok I'm convinced.
And a measure can't be perfect.

Thank you,

Christophe Barbé
Software Engineer
Lineo High Availability Group
42-46, rue Médéric
92110 Clichy - France
phone (33).
fax (33).
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