GC 로깅 옵션

• -verbose:gc
• -XX:+PrintGCDetails
• -XX:+PrintGCDateStamps
• -Xloggc:/my/tomcat/log/gc.log
• -XX:+UseGCLogFileRotation
• -XX:GCLogFileSize=1m
• -XX:NumberOfGCLogFiles=100

GCViewer

• https://github.com/chewiebug/GCViewer

IBM Pattern Modeling and Analysis Tools for Java Garbage Collector (PMAT)

• 오라클 JVM의 GC로그도 지원
• https://www.ibm.com/developerworks/community/groups/service/html/community/bookmarks?communityUuid=22d56091-3a7b-4497-b36e-634b51838e11