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henry_he01
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Joined: 14 May 2009
Posts: 9
Location: China
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In JCL, perform=1 means the job will be ran under TSO/E,
perform=2 means the job will be ran under Non-TSO/E.
What is the different?
By the way, what is the exact mean about the value? I mean for perform parameter. |
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Anuj Dhawan
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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India
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| AFAIK, PERFORM parameter on the JOB statement identifies the performance group number for that job. Your installation defines performance groups to determine how jobs are allowed to consume processor, storage and channel resources. You can contact your MVS System Programmer to determine which performance groups are valid for your installation. |
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superk
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Joined: 26 Apr 2004
Posts: 4652
Location: Raleigh, NC, USA
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| PERFORM is obsolete. |
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Robert Sample
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Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
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Performance groups are the old way to control performance. They are not used in WLM goal mode, so the PERFORM parameter (which has been retained for compatibility) is no longer relevant. You missed the key part of the manual, which I highlighted:
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| In compatibility mode, if no PERFORM parameter is specified or if the specified PERFORM number fails validity checks, the system uses an installation default specified at initialization. If the installation did not specify a default, the system uses a built-in default: |
Few sites are still running compatibility mode -- WLM has been around for a few years and does a good job of system resource management. |
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henry_he01
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Joined: 14 May 2009
Posts: 9
Location: China
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I have noticed the key which was quoted by Robert.
Thanks a lot.
Let's focus on the title of this topic, what's the difference between TSO/E and Non-TSO/E?
I really feel confuse. |
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Robert Sample
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Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
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| If you look at IBM's documentation, you will find there no longer is a non-TSO/E. TSO/E is part of the base element of z/OS, so it is always what is shipped. |
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enrico-sorichetti
Superior Member
Joined: 14 Mar 2007
Posts: 10873
Location: italy
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the title does not have any sense so there is nothing to focus on
search the IBM redbooks for ....
ABC of System Programming ( s390 )
vol01 sg245597.pdf
vol02 sg245652.pdf
vol03 sg245653.pdf
vol04 sg245654.pdf
vol05 sg245655.pdf
ABC of System Programming ( zOS )
vol01 sg246981.pdf
vol02 sg246982.pdf
vol03 sg246983.pdf
vol05 sg246985.pdf
vol06 sg246986.pdf
vol07 sg246987.pdf
vol08 sg246988.pdf
vol09 sg246989.pdf
vol10 sg246990.pdf
vol11 sg246327.pdf
zOS basics
vol01 sg246366.pdf |
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