Jerrold, here are the comment from one of the IBM consultant on performance
of RPG verses JAVA.
-Thanks


"My opinion on the RPG/Java debate has changed somewhat since I left
IBM, since I'm in the field. I'm closer to reality now than I was a
year ago. Today, it's hard for me to see Java ever getting to the
level of simplicity and ease of use, especially in the areas of
performance tuning, that RPG has."

-- Paul Remtema, consulting software engineer at the Rochester
Technology Center





"Jerrold Bisera" <Jerrold_Bisera@countrywide.com> on 01/18/2000 04:04:23 PM

To:   JAVA400-L@midrange.com
cc:    (bcc: Shailaja Rao/Contractor/CF/CCI)

Subject:  Java on the AS400







Hello,  I am currently looking at Java on the AS400 to rewrite and also
create some new batch processes in our current enviornment.  My concern is
with performance.  We typically run through hundreds of thousands of
records (if not millions) and chain to many files in a typical RPG program.
Should I be using the AS400 toolbox and record level access or should I be
using Java and SQL?  Our intent is to see if it is feasible to use Java
rather than RPG in a primarily batch enviornment.  Can I get an exceptable
level of performance?  What kind of performance can I expect?  What
techniques should I use?


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