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  3. May 2017

Re: MIDRANGE-L Digest, Vol 16, Issue 828

On Wed, May 10, 2017 at 10:27 PM, Gad Miron <gadmiron@xxxxxxxxx> wrote:

2nd, our main periodic processing jobs are big monolithic RPG programs
that do not easily lend themselves to "parallelization" efforts.
(actually I was told that it can't be done as each such job is
executed by one processor only and splitting such a job into 2-3 sub-jobs
is a splitting headache )


​Have looked into it?

Most "big monolithic" periodic jobs boil down to, read this file and do
"something" for every record.

In that case, you at least have 4 jobs each reading 25% of the file.

Or perhaps you can replace some long running RLA steps that do
summarization with SQL.​

You could pay for a lot of refactoring for the price of even a small
POWER9...

Charles

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