[ic] ic process 25% system load

Jon Jensen jon at endpoint.com
Fri Jun 11 10:31:48 EDT 2004

On Fri, 11 Jun 2004, Carsten Jahnke wrote:

> Jon Jensen wrote:
> > Perhaps you're running on a machine with dual hyperthreaded processors, 
> > and 25% load is the most a single-threaded process can use?
> cat /proc/cpuinfo :
> Wheee, it's a real dual Xeon machine! Didn't know that...
> But ps ax |grep interchange shows me, that there's only 1 interchange 
> process running.
> Wouldn't it be best to set
> PreFork Yes
> StartServers 4
> in interchange.cfg to speeeed it up ?

No. Everything's fine the way it is. When you have 4 concurrent page views 
then they'll operate in parallel (assuming system resources permit). But 
Interchange isn't multithreaded, so a single page view can only use one 
processor at a time.

>From what I understand, using "25%" load on a hyperthreaded dual-proc 
machine is still able to use 50% of the actual horsepower.


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