-Xms20m-Xmx20m-Xmn10m-XX:+PrintGCDetails-verbose:gc-XX:SurvivorRatio=8-XX:+HeapDumpOnOutOfMemoryError-XX:HeapDumpPath=D:/logs
暂时不标注,以后完善
JVM GC打印
原文：http://www.cnblogs.com/wactd/p/8037461.html
