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On 15/03/2009, at 2:44 PM, tim wrote:

How can I be sure that that is the case?

Because it is the case. Tell them "Simon says" :) Interactive capacity is not exceeded by non-interactive work--except for the rare case of twin-ax attached printers.

I need to show management what this
issue is and make suggestions how to resolve them. If 10 users open up 40
session, even if the sessions are not used, could this cause the problem?

Unused sessions are unlikely to be contributing except during the job start process and this can be a significant hit. Sessions that are just sitting in DSPW will not be contributing. However, one has to ask if they're not being used why are they being opened?

Error recovery in a subsystem monitor that is handling interactive work can also contribute.

I want to make sure its not a program loop or something.

It's not that unless you have programs looping in multiple interactive jobs in which case I'm sure you'd be hearing about it from other sources.

I need something to show management.


Get yourself a copy of "Aiming for Zero Interactive on iSeries". It's a PDF published in 2003 and lists the things that contribute to consuming Interactive capacity.

Start the Collection Services (use Navigator). Let it gather data. Run CRTPFRDTA to load the performance database files. Query the QAPMJOBMI file using the query shown in that PDF. This will show all the jobs that have consumed interactive capacity during the monitoring period.

Regards,
Simon Coulter.
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