Java 8 GC Tutorials - Herong's Tutorial Examples

∟Garbage Collection Performance Test Summary

This chapter provides discussions on GC performance test result. Topics include comparison of performances of different garbage collectors; suggestions to use garbage collectors more efficiently.

Best Garbage Collector and Configuration

General Suggestions for Better GC Performance

Takeaways:

• The G1 collector provides the best throughput and latency performance on our test program GCPerfp99.java, which uses short-lived and large objects.

Table of Contents

 About This Book

 Heap Memory Area and Size Control

 JVM Garbage Collection Logging

 Introduction of Garbage Collectors

 Serial Collector - "+XX:+UseSerialGC"

 Parallel Collector - "+XX:+UseParallelGC"

 Concurrent Mark-Sweep (CMS) Collector - "+XX:+UseConcMarkSweepGC"

 Garbage First (G1) Collector - "+XX:+UseG1GC"

 Object References and Garbage Collection

 Garbage Collection Performance Test Program

 Performance Tests on Serial Collector

 Performance Tests on Parallel collector

 Performance Tests on Concurrent collector

 Performance Tests on G1 collector

►Garbage Collection Performance Test Summary

 Archived Tutorials

 References

 Full Version in PDF/EPUB

Garbage Collection Performance Test Summary - Updated in 2022, by Dr. Herong Yang