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2.4.1 堆溢出

-Xms20m 堆内存初始值
-Xmx20m 堆内存最大值
-XX:+HeapDumpOnOutOfMemoryError 内存溢出Dump当前内存缓存快照
-Xlog:gc* //打印jvm内存日志

2.4.2.1 栈溢出

-Xss128k 栈溢出
-Xlog:gc* //打印jvm内存日志

2.4.3 方法区和运行时常量池溢出

-XX:PermSize=10M 永久代 (JDK 1.6之前有效)
-XX:MaxPermSize=10M (JDK 1.6之前有效)
-Xlog:gc* //打印jvm内存日志

gclib

-XX:PermSize=10M 永久代 (JDK 1.6之前有效)
-XX:MaxPermSize=10M (JDK 1.6之前有效)
-Xlog:gc* //打印jvm内存日志

2.4.4 本机直接内存溢出

-Xmx20m 堆内存最大值
-XX:MaxDirectMemorySize=10M 本机直接内存最大值
-Xlog:gc* //打印jvm内存日志
-XX:+HeapDumpOnOutOfMemoryError 内存溢出Dump当前内存缓存快照

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