z/OS JES2 Initialization and Tuning Guide
z/OS JES2 Initialization and Tuning Guide
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Duplicate job name control z/OS JES2 Initialization and Tuning Guide SA32-0991-00 |
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By default, JES2 enables duplicate batch job name protection for all members of the multi-access spool configuration. That is, if one batch job name matches another batch job name that is active in execution anywhere in the configuration, the second job is temporarily delayed until the first job completes. You can disable duplicate batch job name protection by specifying DUPL_JOB=NODELAY on the JOBDEF initialization statement. CAUTION: If you specify DUPL_JOB=NODELAY, jobs with the same job name
may run concurrently with adverse effects. Make certain that this
serialization mechanism is not being used in your environment before
changing this parameter.
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