D82344 – Java Performance Tuning

Course Overview

• Introduce the course

Java Virtual Machine and Performance Overview

• JVM Overview
• What is Performance?
• Performance Methodology

The JVM and Java Garbage Collection

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

Java Garbage Collectors

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

Command Line JVM Monitoring

• GC Monitoring Options
• JIT Monitoring Options

Mission Control and JVM Monitoring Tools

• Monitoring with VisualVM
• Monitoring with Mission Control

Java Flight Recorder

• Creating Flight Recordings
• Analyze a Flight Recording

Monitoring Operating System Performance

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

Performance Profiling Tools

• Overview of Profiling Tools
• CPU Profiling
• Heap Profiling

Troubleshooting Performance Issues by Profiling

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

Garbage Collection Tuning

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

Language Level Concerns and Garbage Collection

• Object Allocation
• Working with Large Objects
• Explicit Garbage Collection
• Finalizers
• Memory Leak Detection Tools
• Object References