Oracle EM11g Middleware Management using JVM Diagnostics (aka. AD4J)
By Sthieme-Oracle on Mar 31, 2011
She has a great deal of interesting posts especially focusing on JVM Diagnostics also known as Application Diagnostics for Java on her blogspot. For example the following, showing how to compare heap dumps using JVM Diagnostics. http://neelimabawa.blogspot.com/2011/02/how-to-compare-heaps-using-jvm.html
This should definitely be your next best stop, once you have identified a serious issue with Real User Experience Insight's unique top-down approach and want to continue with the nitty-gritty details of Heap Dump analysis of your applications JVM engines.
In case you are still unsure what the service oriented architecture of your composite applications are actually looking like and how its components perform, you may want to discover her interesting article about the distinct features of Application Dependency and Performance, i.e. the former Composite Application Modeler and Monitor.
You are more than welcome to come to my place for some news about RUEI next time around.