Is it good to set the max and min JVM heap size the same?

Question

Currently in our testing environment the max and min JVM heap size are set to the same value, basically as much as the dedicated server machine will allow for our applicatio

Answer 1

Definitely yes for a server app. What's the point of having so much memory but not using it? (No it doesn't save electricity if you don't use a memory cell)

JVM loves memory. For a given app, the more memory JVM has, the less GC it performs. The best part is more objects will die young and less will tenure.

Especially during a server startup, the load is even higher than normal. It's brain dead to give server a small memory to work with at this stage.