However, if your solution requires more memory to be allocated to the Java
heap, you can modify these settings through the WebSphere
® Application Server Administration Console. You should change both the -Xmx and -Xms settings to the same value to prevent the JVM from dynamically allocating and de-allocating memory at run time.
If you change the amount of memory allocated to the JVM, you must recalculate the number of forms that you can maintain in the form cache and update the fcCacheSize
Parent topic: Maximizing Performance