Garbage Collection Performance Test Program

This chapter provides tutorial notes and example codes on garbage collection performance test programs. Topics include throughput performance calculation; latency performance calculation; operating system interruptions; P99 (99th Percentile) performance; running JVM with highest priority. - GC Performance Test Program - Program Output

Performance Impact of Wait Time

Performance Impact of Object Size

Performance Impact of Chunk Size

Performance Jumps Not Related to GC

Performance Test and System Interruptions

"START /REALTIME" - Run JVM with Highest Priority - 99th Percentile Performance - Output Verification - Percentile Performance with Load - Work Load Level - Object Number and Size


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"

 The Z Garbage Collector (ZGC) - "+XX:+UseZGC"

 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


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