Are you prematurely restarting JVMs to keep them from running out of memory? Or have you received the recommendation from your application experts to just “increase the Java Heap Space?” The following memory chart shows the memory consumption of 10 JVMs (4.1GB Heap each) per Host on an 8 machine cluster. It is from a large online retail store who has prepared for the online shopping season. Its JVMs kept running out of memory, crashing with Out Of Memory Exceptions and sometimes even bringing the whole host to crash:Continue reading the rest of the blog at http://apmblog.compuware.com/2014/01/07/hunting-a-oracle-jdbc-memory-leak-crashing-an-80jvm-websphere-cluster/