Java performance tuning et optimisation

Introduction to Java Performance Tuning

Course Introduction
Course Agenda

JVM Overview
Performance Principles
Common Performance Problems
Performance Methodology
Development and Performance

Monitor CPU Usage
Monitor Network I/O
Monitor Disk I/O
Monitor Virtual Memory Usage
Monitor and Identify Lock Contention

HotSpot Generational Garbage Collector
Monitor the Garbage Collector with Command Line Tools
Monitor the Garbage Collector with VisualVM
Monitor the JIT Compiler
Throughput and Responsiveness

NetBeans Profiler, Oracle Solaris Studio, and jmap/jhat
Profile CPU Usage
Profile JVM Heap
Find Memory Leaks
Identify Lock Contention
Heap Profiling Anti-patterns
Method Profiling Anti-patterns

Garbage Collection
Generational Garbage Collection
GC Performance Metrics
Garbage Collection Algorithms
Types of Garbage Collectors
JVM Ergonomics

Tune the Garbage Collection
Select the Garbage Collector
Interpret GC Output

The best practices for Object Allocation
Invoking the Garbage Collector
Reference Types in Java
The use of Finalizers

String-efficient Java Applications
Collection Classes
Using Threads
Using I/O Efficiently