W dniu 2017-01-11 o 22:30, Frank Swarbrick pisze:
Is there a downside to always defining VSAM files with a MAXLRECL of 32761,
which seems to be the largest value for this parm for an UNSPANNED dataset?
Besides CISZ and other performance issues there is another big issue:
the application.
Let's say you application ABC is designe to process records up to 3000B.
Obviously you can use longer MAXRECL (the same for PS VB), but imagine
someone inserted longer record. How? Using another application or utility.
What application ABC will do? Probably just fail. When? When it get
longer record. It can be during (end of) batch, or anytime - it depends.
So, treat MAXLRECL as a protection.
My €0.02
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Radoslaw Skorupka
Lodz, Poland
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