Java Flight Recorder is a JVM profiler that continuously gathers performance metrics and won't cause performance issues or extra runtime costs. ... every JVM keeps track of memory usage, active ...

Garbage collection and the Java platform memory model. When you specify the startup option -Xmx on the command line of your Java application (for instance: java -Xmx:2g MyApp) memory is assigned ...

Memory garbage collection is only one of the applications of reference counting; it is also used for deallocation control of system objects, Windows COM objects, and file system blocks or files.