Diagnostic Tools and Options

• http://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-VM/html/tools.html

Java Garbage Collection Basics

• https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html

HotSpot Virtual Machine Garbage Collection Tuning Guide

• https://docs.oracle.com/javase/8/docs/technotes/guides/vm/gctuning/