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Java Performance Tuning

Course code
3 Days, 24 Acad. Hours
Course Overview
Course Outline
Course Overview

Course overview

This Java Performance Tuning training teaches performance tuning concepts applicable to the Java programming language. Expert Oracle University instructors will teach you how it applies to Java garbage collectors on the Hotspot JVM, including the G1 garbage collector.


Course Objectives

  • Monitor operating system performance on Solaris, Linux, and Windows
  • Describe basic principles of performance
  • Describe the operation of generational garbage collection
  • List the garbage collectors available in Java including the G1 collector
  • Monitor performance at the JVM and application level
  • Monitor and analyze Java application performance using Java Mission Control and Flight Recorder
  • Profile the performance of a Java application
  • Tune garbage collection in a Java application
  • Apply basic performance tuning principles to a Java application

Suggested Prerequisite

  • Java SE 7 Fundamentals
  • Java SE 7 Develop Rich Client Applications
  • Java SE 7 Programming
  • Developing Applications for the Java EE 7 Platform

Required Prerequisite

  • Java SE7 Fundamentals
  • Java SE 7 Programming
  • Java SE 7: Develop Rich Client Applications
  • Developing Applications for the Java EE 6 Platform


  • Java EE Developers
  • System Administrator
  • Java Developers
  • Support Engineer
  • Technical Consultant
Course Outline

Course Topics

1. Course Overview

  • Introduce course

2. Java Virtual Machine and Performance Overview

  • Performance Methodology
  • What is Performance?
  • JVM Overview

3. The JVM and Java Garbage Collection

  • The GC Aging Process
  • G1 GC
  • HotSpot GC Basics

4. Java Garbage Collectors

  • JVM Ergonomics
  • Garbage Collecting Algorithms
  • Types of GC Collectors

5. Command Line JVM Monitoring

  • JIT Monitoring Options
  • GC Monitoring Options

6. Mission Control and JVM Monitoring Tools

  • Monitoring with VisualVM
  • Monitoring with Mission Control

7. Java Flight Recorder

  • Creating Flight Recordings
  • Analyze a Flight Recording

8. Monitoring Operating System Performance

  • Monitoring Network I/O
  • Monitoring Disk I/O
  • Monitoring CPU Usage
  • Monitoring Memory Usage
  • Monitoring Processes

9. Performance Profiling Tools

  • CPU Profiling
  • Heap Profiling
  • Overview of Profiling Tools

10. Troubleshooting Performance Issues by Profiling

  • Detecting Memory leaks
  • Memory Leak Profiling
  • Dectecting Contention and Locking Issues

11. Garbage Collection Tuning

  • Tuning with G1 GC
  • Tuning with Concurrent GC
  • Tuning with Serial GC
  • Tuning with Parallel GC

12. Language Level Concerns and Garbage Collection

  • Explicit Garbage Collection
  • Finalizers
  • Object References
  • Object Allocation
  • Working with Large Objects
  • Memory Leak Detection Tools
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Java Performance Tuning
Course code:
3 Days, 24 Acad. Hours
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