前言
大家都知道有很多開源的監(jiān)控工具,本次只使用了jmap,了解簡單使用,謝謝,下面話不多說了,來一起看看詳細的介紹吧
使用方法如下:
開始了,922是我的tomcat進程
幫助命令查看,有哪些命令可以使用。
[root@bogon /]# jmap -help Usage: jmap [option] <pid> (to connect to running process) jmap [option] <executable <core> (to connect to a core file) jmap [option] [server_id@]<remote server IP or hostname> (to connect to remote debug server) where <option> is one of: <none> to print same info as Solaris pmap -heap to print java heap summary -histo[:live] to print histogram of java object heap; if the "live" suboption is specified, only count live objects -clstats to print class loader statistics -finalizerinfo to print information on objects awaiting finalization -dump:<dump-options> to dump java heap in hprof binary format dump-options: live dump only live objects; if not specified, all objects in the heap are dumped. format=b binary format file=<file> dump heap to <file> Example: jmap -dump:live,format=b,file=heap.bin <pid> -F force. Use with -dump:<dump-options> <pid> or -histo to force a heap dump or histogram when <pid> does not respond. The "live" suboption is not supported in this mode. -h | -help to print this help message -J<flag> to pass <flag> directly to the runtime system
標題名稱:jvm信息jmap使用的基本方法教程-創(chuàng)新互聯(lián)
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