Load over 1000
Poul-Henning Kamp
phk at phk.freebsd.dk
Mon Feb 21 21:12:37 GMT 2005
In message <20050221210834.GB87259 at opteron.dglawrence.com>, "David G. Lawrence"
writes:
>> aren't being serviced isn't a bug. The reason the load on systems with
>> many processes is typically low is that most processes are blocked on I/O
>> -- either waiting for it to complete, waing for a network packet, or
>> waiting for the user, so they're idle the rest of the time. The CPU sits
>> there waiting for the world to catch up...
>
> The load average has historically meant the number of processes either
>running/ready to run OR blocked by short term (disk I/O) wait.
No, disk I/O sleeps is not involved.
The loadavg is the length of the runqueue. Any process sleeping,
on network, disk or timer, is not counted towards the total.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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