Java Development Kit 12, the next version of Java SE, has reached the point where its major feature set is frozen. But one existing proposal in JDK 12, for raw string literals, could be removed ...

Troubleshooting Java memory problems ... there are several memory pools or spaces - Java heap ... 26032 12136 24312 36448 java.lang.String 6 35 67112 648 0 19384 130 4973 25536 ...

You can adjust the number of objects on the Java heap tracked by Flight Recorder by adjusting the old object queue size:-XX:FlightRecordingOptions=old-object-queue-size=512 JDK Mission Control memory ...

You can use the “jmap” tool to capture the heap dump. jmap prints heap memory details of a given process into a file. jmap tool is shipped with JDK. Here is how you should invoke it: jmap ...

For the Azure cloud, jaz takes over the configuration of the heap size and the garbage strategy, among other things. The tool uses AppsCDS and, in the future, Project Leyden for optimization.

Java 12 enhances G1 to automatically return Java heap memory to the operating system when idle. This memory is released in a reasonable period of time when there is very low application activity.