Java 8 GC Tutorials - Herong's Tutorial Examples - v1.03, by Dr. Herong Yang
Performance Tests on Concurrent collector
This chapter provides tutorial notes and example codes on performance impact of Concurrent collector, Topics include heap footprint; heap size impact; running minor GC only; running more major GC; impact of parallel threads; impact of concurrent threads.
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Concurrent GC Footprint - Free Heap 4%
Heap Size Impact on Concurrent GC
Performance of Concurrent Minor GC
Performance of Concurrent Major GC
Parallel Threads Impact on Concurrent GC
Concurrent Threads Impact on Concurrent GC
AFFINITY=n - CPU Processors and Concurrent GC
Best Concurrent GC Configuration
Performance Summary of Concurrent Collector
Takeaways:
Table of Contents
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