JVM Tutorials - Herong's Tutorial Examples - v5.13, by Herong Yang
I/O Impact of Multi-Thread Applications
This chapter provides tutorial notes and example codes on I/O impact of multi-thread Java applications. Topics include I/O intensive thread test class, FileEditor2.java; running multiple I/O threads on HotSpot and JRockit JVM.
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FileEditor.java - I/O Intensive Process
FileEditor.java - DK-4724038 JVM Bug
FileEditor2.java - Avoiding FileNotFoundException
MultithreadingIoRunner.java - Multiple I/O Threads
Performance of Multiple I/O Threads on HotSpot
Performance of Multiple I/O Threads on JRockit
Takeaways:
Table of Contents
JVM (Java Virtual Machine) Specification
Java HotSpot VM - JVM by Oracle/Sun
java.lang.Runtime Class - The JVM Instance
java.lang.System Class - The Operating System
ClassLoader Class - Class Loaders
Class Class - Class Reflections
JVM Stack, Frame and Stack Overflow
Thread Testing Program and Result
CPU Impact of Multi-Thread Applications
►I/O Impact of Multi-Thread Applications
Micro Benchmark Runner and JVM Options
Micro Benchmark Tests on "int" Operations
Micro Benchmark Tests on "long" Operations
Micro Benchmark Tests in JIT Compilation Mode
Micro Benchmark Tests on "float" and "double" Operations