[ot] {bb} Definition of CPU load...

["Leif Neland" <leif@neland.dk>]

> On Mon, 25 Oct 1999, Steve Neuharth wrote:
> 
> >         What is the definition of "LOAD=xx" on the CPU.html pages... is
> > it a percentage or the percentage x100?
> 
> To elaborate on Sean's answer.  The 5 minute load average is, for a
> uniprocessor system, the average number of processes in the run queue over 
> the last 5 minutes.  It does not, generally, count processes that are
> blocked waiting for resources other than the CPU however in some cases you
> can get a large spike in load average from a NFS server going down that
> the machine depends on.
> 
> Oh, and high CPU load does not always mean that your CPU is at 100% all
> the time.  It is not to odd to see a load average of 2-3 with a average
> CPU utlization of 50% or less because of lack of resources other then CPU
> cycles. 

So if my newsserver has a load of 1.3, but only 20% cpu usage, I should look at the disk i/o, right?

Leif


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