Admin: Memory
From Resin 3.0
CodeCache
The CodeCache is the JVM's non-heap memory pool containing the JNI compiled Java class code.
Eden
The Eden memory pool is used by the JVM for new, short-lived memory. Free memory in the Eden can be collected in fast garbage collections.
The Eden memory size is configured with -Xmn128m. In general, the JVM's defaults are fine.