Java 25 introduces Compact Object Headers (JEP 519), delivering up to 30% CPU savings and reduced memory usage for ...

Want a heap dump? Check out the jmap (Java memory map) and jhat (Java heap analysis tool) shipped with Hotspot-based JVMs (Sun, OpenJDK). Looking for a bit more? There’s the Memory Analysis Tool ...

The Java Memory Map (JMAP) utility has a method that prints a histogram of the Java heap. One side effect of the jmap command is that when it's called, it forces a garbage collection routine. However, ...

It’s only when the application gets pushed to production do they realize, 'Hold on, this needs a gigabyte of memory to run,'" he says. While Java applications have mainly been managed at runtime ...