26 lines
895 B
Markdown
26 lines
895 B
Markdown
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刘银 11-23 09:37:15
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弄下dump日志，有dump日志就好分析了
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杜鹏飞 11-23 09:37:28
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dump日志是程序输出日志么
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杜鹏飞 11-23 09:39:55
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我去操作下。。
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刘银 11-23 09:41:12
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刘银 11-23 09:41:23
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启动参数加上这个，
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刘银 11-23 09:41:42
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挂掉后，会生成dump文件。
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刘银 11-23 09:42:33
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dump文件直接拖到idea里面结合代码就可以看到内存占用，可以分析到哪行代码。
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java 进程查看
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```shell
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top -o %MEM -b -n 1 | grep java | awk '{print "PID: "$1" \t 虚拟内存: "$5" \t 物理内存: "$6" \t 共享内存: "$7" \t CPU使用率: "$9"% \t 内存使用率: "$10"%"}'
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```
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线程查看
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```shell
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ps p {pid} -L -o pcpu,pmem,pid,tid,time,tname,cmd
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```
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