You can fix your Java memory leak problem without a costly JVM heap dump. Just use Java Flight Recorder's Old Object Sample event and view the recording in JDK Mission Control.

Use the totalMemory() and freeMemory() methods in the Java runtime class, which shows how much total heap memory is being controlled by the JVM, along with how much is not in use at a particular time.

The terms JVM tuning and Java optimization are often used interchangeably, but there is an important difference between the two practices. In short, JVM tuning requires some tradeoff between metrics ...