Appendix A. HotSpot VM Command Line Options of Interest

This appendix contains a listing of Java HotSpot VM (also referred to as HotSpot hereafter) command line options of performance interest and any mentioned within this book, along with a description of each option and when it is most applicable to use it.

Command line options that toggle on or off a feature or attribute of the HotSpot VM have the form -XX:<+|->FeatureName where + indicates enable the feature and - indicates disable the feature.

Command line options that require a numerical value have the form -XX:FeatureName=<n> where n is some numerical value. All command line options that require a numerical value that controls the size of some attribute in kilobytes, megabytes, or gigabytes ...

Get Java™ Performance now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.