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Joe, Java can run at near the speed of RPG. It really depends on where the bottleneck is. For example, using EJBs to do aggregation over large data sets will perform poorly compared to RPG -- likely 20X's more CPU/memory. Java using SQL aggregation to objects will be close enough to the same performance and probably OK -- likely 5X's more CPU/memory. Java using SQL aggregation to process that same data without persistent objects will be very close to RPG -- likely 2X's more CPU/memory. Java to call RPG still has to convert the RPG result to Objects, which has some overhead over pure RPG -- likely 1.5X's more CPU/Memory. >>> joepluta@xxxxxxxxxxxxxxxxx 3/9/2004 11:08:00 AM >>> If you write your business logic in RPG and merely use you web application server as a UI transport, you can get great response time. I do. Joe
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