JVM参数参考

jdk 1.8

-Xms6G

-Xmx6G

-XX:+UseConcMarkSweepGC

-XX:+UseCMSInitiatingOccupancyOnly

-XX:CMSInitiatingOccupancyFraction=80

-XX:+CMSScavengeBeforeRemark

-XX:+CMSParallelRemarkEnabled

-XX:MetaspaceSize=512m

-XX:MaxMetaspaceSize=512m

-XX:+PrintGCDetails

-XX:+PrintGCDateStamps

-XX:+PrintGCCause 

-Xloggc:/dev/logs/jvm/gcLog.log 

-XX:+HeapDumpOnOutOfMemoryError

-XX:HeapDumpPath=/dev/logs/jvm

-XX:ErrorFile=/dev/logs/jvm/java_error_%p.log