> In our case this is occurring when an App server (ATG Dynamo) > is driving > the JAVA compilation of JSPs. > At the moment we are suspecting the IBM JAVA 1.3.0 SDK, and > plan to install > 1.3.1 to validate this theory.
If you are running 1.3.0, then you definitely need to upgrade. 1.3.1 fixed a bunch of stuff and added a working jit compiler, and it makes a huge difference. > I would be interested to hear if anyone else is experiencing similar > performance issues and the actual circumstances of this > performance problem You don't say where the Java code is coming from, but you should do some looking at type declarations for variables and at the size of the JSPs you're generating. If the JSPs are generated by some sort of automated environment, you may want to flag using floats for loop counters, etc that (while legal syntax) are not particularly efficient on a 390.
