From: Bernd Schemmer (Bernd.Schemmer@gmx.de)
Date: Mon Dec 19 2005 - 14:31:00 EST
Bernd Schemmer wrote:
Hi
I got one reply for this query from Lucien HERCAUD
>> Hello,
>>
>>I would create only ONE processor set and bind Oracle to it.
>>This way => let the application AND the rest of the processes in the system go to the DEFAULT processor set.
So I assume it should work the way I'm going to implement it. I'll keep
Lucien hint in mind in case there are any errors with my implementation.
regards
Bernd
> Hi,
>
> a project running Solaris 8 on a E2900 wants to implement CPU bindings
> for their processes.
>
> The project runs an Oracle database and an application on that
> machine. Half of the CPUs should be used for the Oracle DB and the
> others for the application. psrinfo gives the following output:
>
> 0 on-line since 12/12/05 16:15:06
> 1 on-line since 12/12/05 16:15:16
> 2 on-line since 12/12/05 16:15:16
> 3 on-line since 12/12/05 16:15:16
> 8 on-line since 12/12/05 16:15:16
> 9 on-line since 12/12/05 16:15:16
> 10 on-line since 12/12/05 16:15:16
> 11 on-line since 12/12/05 16:15:16
> 512 on-line since 12/12/05 16:15:16
> 513 on-line since 12/12/05 16:15:16
> 514 on-line since 12/12/05 16:15:16
> 515 on-line since 12/12/05 16:15:16
> 520 on-line since 12/12/05 16:15:16
> 521 on-line since 12/12/05 16:15:16
> 522 on-line since 12/12/05 16:15:16
> 523 on-line since 12/12/05 16:15:16
>
> AFAIK this can be done with prset without using the Resource Manager.
>
> At this time I' m planning to implement it this way:
>
> - create an init script to create the two processor sets
>
> - bind the startup script for Oracle to one of the processor sets
> (this should be done in the startup script for Oracle)
>
> - bind the startup script for the application to the other processor
> set (this should be done in the startup scrpit for the application)
>
> Again AFAIK, binding the startup script to a processor set should be
> enough to bind all processes started by the startup script also to the
> processor set. Right?
>
>
> But I have some questions about how to implement this:
>
> Is there any additional documentation about doing this apart from the
> man page and docs.sun.com?
>
> Are there any pitfalls that I've to be aware of?
>
> What about Interrupt handling? Should I disable interrupts for the
> processor sets?
>
> Can/Should I use all existing CPUs for the processor sets?
>
> Any hints about which CPUs I should use for the processor sets?
>
> Do I need to install extra patches (in addition to the recommended
> patchset) to get it working?
>
>
> regards
>
> Bernd
>
>
>
>
--
Bernd Schemmer, Frankfurt am Main, Germany
http://home.arcor.de/bnsmb/index.html
Mas temprano que tarde el mundio cambiara
Fidel Castro
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