Be it a memory leak or a thread deadlock, most Java performance problems follow well-known patterns of behavior. Before investing a great deal of time henpecking a JVM heap histogram or inspecting ...

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.

Eliminate development practices that cause Java memory leaks. JVM tuning and Java performance optimization are important activities in the application lifecycle. They maximize application performance ...

TLAB and TLA (Thread Local Allocation Buffer or Thread Local Area) partitioning are discussed in JVM performance optimization, Part 1. Downsides of mark-and-sweep collectors ...

Java Doesn’t Have to Be Heavy “People often think Java means heavyweight,” Rocher says, but that reputation has more to do with the APIs and tools that the JVM provides to build frameworks.