Heap Dump Analysis - Out Of Memory errors -PEGA

OOM - out of the memory is one of the common error that teams get  while figuring out the optimized jvm and Cache settings 

Here are the some tools will helps to analyze heap dumps.

IBM HeapAnalyzer: 
Eclipse MAT- memory analyzer tool
IBM® Support Assistant - 
(to download IBM Support Assistant, you must be a registered user on the IBM Software Support website)


heap dump formats -

PHD -Portable heap dumps
HPROF binary dumps
System dumps - core dumps



Eclipse MAT- memory analyzer tool 

you can download from the  URL https://www.eclipse.org/mat/downloads.php


you need dtfj plugin to support PHD heap dumps

http://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/runtimes/tools/dtfj/

The leak suspects the where is the problem . In below sample when you drill down you can see which class objects are causing an OOM issue