We are running a java client/server app on the AS400/iSeries/System
i/IBMi/Powerwhatevertheyrecallingitnow. (MAPICS/Infor ERP
We're running the MAPICS client mostly from a MS Terminal Server next to
the AS400. The TS is being accessed from a WAN basically all over the
With this setup, we have an absurd number of potential
bottlenecks/slowdowns and etc. And we are having performance problems.
We're trying our best to drill into the performance problems in a
systematic way but it's been difficult. But one of the things we've been
looking at hard is the Java performance on the AS400.
Currently, we are at V5R4 of the OS. We've been told that upgrading to
V6R1 will bring a large Java performance benefit.
My question: Have you found this to be the case?
Obviously, we'll be going to V6R1 eventually anyway. But it would be nice
if we could look forward to Java performance improvement.
Part of the reason I'm asking is that IBM always says the *next* version of
the OS has incredible Java performance. And then we're always underwhelmed.
PS: I'd love to hear any tips you may have on our situation.
A Barry-Wehmiller Company
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