• Java SE 6 HotSpot[tm] Virtual Machine Garbage Collection Tuning
• Java 8 GC Tuning
• How Garbage Collection differs in the three big JVMs
• The Top Java Memory Problems – Part 1
• HelloWorld » Garbage Collection 모니터링 방법
• Getting Started with the G1 Garbage Collector
• Java GC 로그 분석
• How to tune java gc
• hello world » Java Garbage Collection 한국어 설명
• hello world » Garbage Collection 모니터링 방법
• hello world » Garbage Collection 튜닝
• hello world » Java Reference와 GC
• Garbage Collectors - Serial vs. Parallel vs. CMS vs. G1 (and what’s new in Java 8) | Takipi Blog
• 7 Things You Thought You Knew About Garbage Collection – and Are Totally Wrong
• JVM GC Options
• JVM Tuning – Garbage Collection

• Garbage Collection 모니터링 방법
• GC 상태 보기
• -verbose:gc
  • -XX:+PrintGCDetails
  • -XX:+PrintGCTimeStamps
  • -XX:+PrintHeapAtGC
  • -XX:+PrintGCDateStamps (from JDK 6 update 4) 이 옵션은 사용하지 말고 GC 시간을 정리해보여주는 스크립트 사용할것.
  • -XX:+PrintReferenceGC
  • -XX:+PrintGCApplicationStoppedTime
  • -XX:+PrintClassHistogramAfterFullGC
  • -XX:+PrintClassHistogramBeforeFullGC
• -Xloggc:file : GC 로그를 file로 남긴다.
• -XX:+HeapDumpAfterFullGC
• -XX:+HeapDumpBeforeFullGC
• -XX:+HeapDumpOnOutOfMemoryError
• -XX:HeapDumpPath=<path>
• HPJMeter verbose:gc결과 분석
  • gc 로그에 PrintGCDateStamps 이 옵션으로 인한 날짜 정보가 있으면 날짜 관련 부분을 지워야한다.
• GCViewer Java 6/7 지원, PrintGCDateStamps지원.
• Human readable JVM GC timestamps – The Server Labs Blog
• robertmaldon: More human-friendly Java GC timestamps
• Garbage Collector Log Analysers
• Understanding G1 GC Log Format

• Rolling Java GC Logs
• vmoptions 참조
• -XX:+UseGCLogFileRotation : 기본 false, 지정만 하면 바로 true.
• -XX:NumberOfGCLogFiles : 기본 0. Rotate 안 함.
• -XX:GCLogFileSize : 기본 0. Rotate 안 함. 최소 8k 이상.

java -Xloggc:gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps \
 -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=128K

• Java 7 u60 이상 버전에서 G1 GC 사용할 것. 그 이하버전에 버그가 좀 많다고 함.
• G1: One Garbage Collector To Rule Them All G1 GC 작동 원리에 대한 상세한 설명
• Tips for Tuning the Garbage First Garbage Collector
• Garbage First Garbage Collector Tuning
• Getting Started with the G1 Garbage Collector
• Part #1 - Tuning Java Garbage Collection for HBase
• G1 Garbage Collection (G1 GC) - G1 GC의 기본 개념을 잘 정리했음.
• Tuning Garbage Collection for Mission-Critical Java Applications - Tuning Guidelines for Java Garbage Collection, Part 1 « mgm technology blog
• Benchmarking G1 and other Java 7 Garbage Collectors - Tuning Guidelines for Java Garbage Collection, Part 2 « mgm technology blog
• Controlling GC pauses with the GarbageFirst Collector - Tuning Guidelines for Java Garbage Collection, Part 3 « mgm technology blog
• Garbage First Garbage Collector (G1 GC) - Migration to, Expectations … G1 GC 실전 예
• Garbage First Garbage Collector (G1 GC): Current and Future Adaptabil…
• G1 Garbage Collector - Big Heaps and Low Pauses?
• Tuning JVM Garbage Collection for Production Deployments
• About G1 Garbage Collector, Permanent Generation and Metaspace
• Class Unloading in Java's G1 Garbage Collector (G1GC)
  • G1 GC 에서는 Class Unloading이 자동으로 이루어진다. -XX:+TraceClassUnloading로 확인 가능.
  • Log on Java: Java G1 GC의 특성에 따른 Full GC 회피 튜닝 방법
• Controlling GC pauses with the GarbageFirst Collector - Tuning Guidelines for Java Garbage Collection, Part 3 « mgm technology blog