Contents

Title and Copyright Information

Preface

• Guide to this Document
• Documentation Accessibility
• Conventions

1 About the Oracle JRockit JDK

• 1.1 What Is the JRockit JVM?
• 1.2 JRockit JDK Release Numbering Scheme
• 1.3 Supported Configurations for the Oracle JRockit JDK
• 1.4 Support and Error Correction Policies
• 1.5 Compatibility Between JRockit JDK and HotSpot
• 1.6 Contents of a JRockit JDK Installation
• 1.7 JRockit JVM Command-Line Options

2 Understanding Just-In-Time Compilation and Optimization

• 2.1 What Happens Inside the JRockit JVM
• 2.2 How the JRockit JVM Generates Machine Code for Java Applications
• 2.3 Examples of Code Optimization

3 Understanding Threads and Locks

• 3.1 Understanding Threads
• 3.2 Understanding Locks

4 Understanding Memory Management

• 4.1 Heap and Nursery
• 4.2 Object Allocation
• 4.3 Garbage Collection
  • 4.3.1 Mark-and-Sweep Model
  • 4.3.2 Generational Garbage Collection
  • 4.3.3 Garbage Collection Modes
• 4.4 Compaction

5 Migrating Applications to the JRockit JDK

• 5.1 Support for Migration Problems
• 5.2 Migration Tasks
  • 5.2.1 Make Necessary Changes in the Application Environment
  • 5.2.2 Tune the JRockit JVM for Optimal Performance
• 5.3 Testing the Application
• 5.4 Replicating Tools Supplied with the HotSpot JDK
• 5.5 Command-line Option Compatibility Between the JRockit and HotSpot JVMs

6 Setting Up and Running the Oracle JRockit JDK

• 6.1 Installing the Oracle JRockit JDK
• 6.2 Setting Up and Verifying Your Windows Environment
• 6.3 Setting Up and Verifying Your Linux Environment
• 6.4 Setting Up and Verifying Your Solaris Environment