JVM Developer's Options

Reference: http://www.oracle.com/technetwork/articles/java/vmoptions-jsp-140102.html

• JVM Developers options start with -XX
• These options are non-standard and subject to change with a new JAVA version without any notice

• They are broadly divided into 4 categories

  • General/behavioral options

    Includes enabling/disabling explicit garbage collection, changing to parallel/serial garbage collection, changing stack size etc.

  • Garbage collection G1 option

    Change number of threads doing garbage collection, changing threshold of triggering garbage collection, compaction/expansion threshold of memory space.

  • Debugging options

    Changing compilation threshold, PermGen space, prefetch style etc.

  • Performance options

    Print information about when the compilation happens, garbage collection happens, tweaking GC logging