Re:Batch jobs performance problems

["Rindi Wheeler" <Rindi.Wheeler@xxxxxxxx>]

It's always been kind of 'common knowledge' that BPCS batch jobs should run 
single threaded, but it's probably worth a call to the SSA Helpline to get 
their take on the question. Perhaps that has changed over the years.  The issue 
in the past was that it always caused record locking problems.

>>> "Larry Fry" <lfry@tokheim.com> 04/06 8:32 AM >>>
A follow-up question to the "Batch jobs performance problems.

Is it documented anywhere that BPCS batch jobs should (or must) be run
single-thread, or is it "common knowledge/common sense with BPCS"?  We are a new
BPCS install and did not have the best guidance during the installation.  We do
not this and as far as I am aware the problems we have had that may be related
to this type of environment have are all been corrected by various BMRs.

On our old system, the operating system took care of file and reocrd locking by
specifications wihtin each batch job.  We could also make one or more files
unavailable to the on-line (interactive) users.  This would allow us to run
batch jobs in a controlled environment without impacting users more than was
necessary.  Not so with AS/400 & BPCS.

I have not been able to find anything in the limited documentation we have that
indicates this should (or must) be done.

Any advice would be helpful.

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