That must have been PTF'd to 6.1 as well... I was looking at that (scratching my head, puzzled) just the other day...

-Eric DeLong

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Evan Harris
Sent: Friday, April 13, 2012 5:35 PM
To: Midrange Systems Technical Discussion
Subject: Re: Questions about subsystems and performance (both in general and specific to Tomcat)

Actually at 7.1 you can now limit processor use at the subsystems
using a Workload Group. The capability is limited to how many cores a
job/subsystem can utilise. See this Developer Works article for more
information:

https://www.ibm.com/developerworks/mydeveloperworks/wikis/home?lang=en#/wiki/IBM%20i%20Technology%20Updates/page/IBM%20i%20workload%20groups


On Sat, Apr 14, 2012 at 4:46 AM, Jim Oberholtzer
<midrangel@xxxxxxxxxxxxxxxxx> wrote:
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




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