JVM performance tuning for large applications

Question

The default JVM parameters are not optimal for running large applications. Any insights from people who have tuned it on a real application would be helpful. We are running the

Answer 1

Java on 32-bit windows machine, your choices are limited. In my experience, the follow parameter setting will impact the application performance:

1. memory sizes
2. choice of GC collectors
3. parameters related to GC collectors