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  3. August 2003

Re: WRKACTJOB

Ken

Neither WRKUSRJOB or WRKSBSJOB have the performance data that WRKACTJOB has. This suggests that a lot more is being done. Unfortunately, WRKACTJOB cannot be filtered by user, only job name and/or subsystem, etc. There could be a custom command written that takes a subsystem description name, then calls WRKACTJOB with that filter.

I'm sure WRKACTJOB is recording times of refresh. I'm not sure that IT is actively collecting stats over that time - the system is, but that's going on at all times, anyway. Things like CPU seconds are kept in absolute values from IPL, e.g., or from job start. The delta needs to be calculated, based on times collected. CPU% is not stored anywhere, AFAIK. it is calculated.

I just tried it, sorting by CPU%. If I refresh often, the CPU% for my job that is running WRKACTJOB is 6-8%. If I wait a long time in between, the CPU% is less than 2% - the CPU time used is spread over a longer elapsed time. So I believe that the CPU is being used at the refresh time only. All the stats are collected into machine counters continually, not because of WRKACTJOB.

Also, if you say REFRESH(*NO) when running it again, the time interval includes the time when it was NOT running.

So I believe the intensity of WRKACTJOB occurs when refreshing, restarting, or resetting the data, F5, F10, or F13, resp.

A lot of people using this command at the same time will put a strain on things, of course.

HTH

Vern

At 09:55 AM 8/26/2003 -0700, you wrote: 
Can any of you provide reasons why it might be a good idea to restrict the
use of the WRKACTJOB command to Sys Admin and Operator users?

I'm trying to convince our large team of programmers that WRKUSRJOB is a
better command to use...

Kenneth

****************************************
Kenneth E. Graap
IBM Certified Specialist
AS/400e Professional System Administrator
NW Natural (Gas Services)
keg@xxxxxxxxxxxxx
Phone: 503-226-4211 x5537
FAX:    603-849-0591
****************************************



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