Java Performance Tuning

Delivery Options

• Customized Onsite Training (2 days): Request a Proposal

Class Description

Class Overview

Class Goals

• Learn to list possible metrics for measuring software performance
• Learn to explain the effect of OO design on software performance
• Learn to list and describe types of benchmarks and the criteria that should be considered when constructing a benchmark plan
• Learn to explore the most useful targets for profiling, and the most common tools/techniques for profiling
• Learn to describe two strategies for improving performance as a result of profiling data
• Learn to list and explain the five most common problem areas for good performance with Java
• Learn to use the JDK to collect runtime profiling data
• Learn to successfully read the profiling data generated by the JDK to detect performance bottlenecks
• Learn to instrument your own code to collect method execution time data
• Learn code optimization techniques relating to object management, exceptions, threads, and serialization
• Understand the JVM Architecture from the perspective of performance
• Examine and work with Java language features that can impact performance
• Understand how XML is processed using Java
• Learn best practices for improving XML processing performance
• Learn best practices for improving web services performance
• Learn the impact of security and application defenses on performance
• Learn the tradeoff between defense and performance

Class Outline

1. Writing High Performance Applications
   1. Performance: Process and Issues
   2. Architecture of the JVM
   3. Memory Management Issues
   4. CPU Performance Issues
   5. Threading Issues
   6. Profiling and Benchmarking
   7. Determining What to Profile
   8. Determining What to Tune
   9. Profiling Tools
   10. Tactical vs. Strategic Optimization
   11. Code Optimization Techniques
   12. Design Optimization Techniques
   13. Impact of Exceptions
   14. Impact of Reflection
   15. Using Profilers
   16. Applying Code Optimization
   17. Applying Design Optimization
2. Effective Java
   1. Creating and Destroying Objects
   2. Factory Methods
   3. Impact of Finalizers
   4. Methods Common to Most Objects
   5. Classes and Interfaces
   6. Immutability
   7. Composition vs. Inheritance
   8. Exceptions
   9. Managing Exceptions Efficiently
   10. Threads
   11. Impact of Synchronization
   12. Threading Constructs to Avoid
   13. Serialization
   14. Impact of readObject()
3. XML and Security
   1. Working with XML in Java
   2. Best practices for improving XML processing performance
   3. How Performance is Affected by XML Structure and Use
   4. Best practices for improving web services performance
   5. Impact of security and application defenses on performance
   6. Tradeoff between defense and performance
4. J2EE Tuning (optional)
   1. The Performance Tuning Guide
   2. Basic Tuning Principles and Concepts
   3. Establishing Performance Bounds
   4. Server Tuning Options

Class Materials

All students receive a course manual or book and all the class examples.

Students in private onsite classes will also receive:

• Technical Reference Library

Class Prerequisites

Experience in the following areas is required:

• Java Programming

Technical Requirements

Our computer technical requirements and setup process is easy, with support just a click away.

• Course technical requirements and setup instructions.

• Java ^®, all Java-based marks, Hibernate ^®, and all Hibernate-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. or its subsidiaries in the U.S. and other countries.