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JCL & VSAM :: RE: High CPU consumption Job using IAM files as input

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Author: prino
Subject: Re: Reply to: High CPU consumption Job using IAM files as input
Posted: Fri Dec 02, 2016 3:30 pm (GMT 5.5)

aswinir wrote:
each id record in parent file has 6 sub records in the 90m file. out of which, the program picks only 3 sub records which are not contiguous.
(Emphasis added)

So the
Code:
DATA COMPRESS  =  SOFTWARE

has no way of caching data to decompress and may have to start way ahead of the next record to be picked.

'nuff said, again!

Use a fecking real database!
_________________
Robert AH Prins
robert.ah.prins @ the.17+Gb.Google thingy
At last, a tiny bit of programming here... icon_smile.gif


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