* load average calculation in linux 2.6
@ 2004-02-02 0:04 Christophe Saout
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From: Christophe Saout @ 2004-02-02 0:04 UTC (permalink / raw)
To: linux-kernel
Hi,
I noticed my web server reboot while doing an rsync because the load was
too high (and my watchdog decided that something was wrong...).
The CPU was mostly idle but /proc/loadavg showed a load average of over
40.
I assume that the iowait is also used for the load average calculation.
Every process that's waiting for IO contributes a load average of one.
Right?
So rsync kept the disk busy and a lot of mail and apache processes were
waiting for it.
Is this the desired behavior or wrong?
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