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Good response, Jim. Perhaps one clarification is that you can assign job priority and time slice to sub-systems, which affect CPU allocations to servers like Tomcat.
----- Original Message -----
From: Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Cc:
Sent: Friday, April 13, 2012 10:46 AM
Subject: Re: Questions about subsystems and performance (both in general and specific to Tomcat)
In order:
Processor is not allocated at the subsystem level, rather at the
partition level. While there are methods to control how much memory is
used by a subsystem and its jobs, there is no way I am aware of (at this
point) to control processor at the subsystem level.
Any subsystem will do, but you have to tune it properly. I like to set
up routing to push specific workloads into shared memory pools where I
can not control some of the performance.
None of this is hard once you understand the job routing on the system.
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects
On 4/13/2012 11:14 AM, James Lampert wrote:
Questions from my boss:
How does one tell which subsystem has more allocated processing power
and memory?
And when running Tomcat, is there a particular subsystem that it should
be running in, for best performance?
--
JHHL
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