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Dedicating Processors

 
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Fernando Boza
Regular Advisor

Dedicating Processors

I have HP-UX 11.11 and I have rp7410 with 8 CPUs
When I execute gzip it run on all processor.... is possible execute it on only two processors?
5 REPLIES
Hein van den Heuvel
Honored Contributor
Solution

Re: Dedicating Processors

Fernando,

Check out "man mpsched".

http://docs.hp.com/en/B2355-90689/mpsched.1.html

If there are questions after reading that please do not hesitate to ask again with specifics.

hth,
Hein.

Re: Dedicating Processors

>When I execute gzip it run on all processor

I wasn't aware gzip was multithreaded, so it would run on one processor at a time.
Fernando Boza
Regular Advisor

Re: Dedicating Processors

I attach the image

Re: Dedicating Processors

>I attach the image

This indicates you have 13 gzip processes (3 sleeping) and 16 CPUs.

Any reason you want to limit it to two CPUs?
It would probably be better to limit the number of gzip processes or nice them.
Yogesh M Puranik
Valued Contributor

Re: Dedicating Processors

Hi,

It is possible using mpsched as well as the new concept called wlm(Work Load Manager) and PRM(Process Resource Manager)in which we can assign even the "%" of CPU to a perticular process.This means only that much of share of CPU will be utilized by Perticular process.


Rgds
Yogesh