GC log
-verbose:gc
-Xloggc:/logs/gc-%t.log
-XX:+PrintGCDetails
-XX:+PrintGCDateStamps
-XX:+PrintGCCause
-XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=10
-XX:GCLogFileSize=20M
-XX:+PrintFlagsFinal
-XX:+PrintTenuringDistribution
-XX:+PrintPromotionFailure
JVM内存调整参数
- https://github.com/jiacai2050/ideas/issues/40