mcmillan
Site Admin
Joined: 18 May 2003 Posts: 1210 Location: India
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JES2:
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If you are in a multiprocessor environment, each processor?s JES2 Subsystem independently controls the job inputs, scheduling and output datasets.
In JES2, allocation of datasets required by a step are done only just before the step executes. |
JES3:
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Using a common JOB queue and centralized control over the local processors, JES3 Subsystem distributes the job inputs to them.
JES3 allocates datasets for all the steps before the job is scheduled |
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