Java® Performance Companion

Preface

Welcome to the Java^® Performance Companion. This book offers companion material to Java™ Performance [1], which was first published in September 2011. Although the additional topics covered in this book are not as broad as the material in Java™ Performance, they go into enormous detail. The topics covered in this book are the G1 garbage collector, also known as the Garbage First garbage collector, and the Java HotSpot VM Serviceability Agent. There is also an appendix that covers additional HotSpot VM command-line options of interest that were not included in the Java™ Performance appendix on HotSpot VM command-line options.

If you are currently using Java 8, have interest in migrating to Java 8, or have plans for using Java 9, you will ...