>> I would first eliminate or confirm any GC hypothesis by running all >> nodes with -XX:+PrintGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps >> -XX:+PrintGCDateStamps. > > Is full GC not being logged through GCInspector with the defaults ?
The GC inspect tries its best, but it's polling. Unfortunately the JDK provides no way to properly monitor for GC events within the Java application. The GC inspector can miss a GC. Also, the GC inspector only tells you time + type of GC; a GC log will provide all sorts of details. -- / Peter Schuller (@scode, http://worldmodscode.wordpress.com)