Linux jmap查看Java程序堆内存的使用情况

敲jmap命令后,显示下面的命令

[root@~]# jmap

Usage:
    jmap [option]
        (to connect to running process)
    jmap [option]
        (to connect to a core file)
    jmap [option] [server_id@]
        (to connect to remote debug server)


where

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