jhat命令(Java Heap Analyse Tool)

末蓝、 2022-05-15 06:24 190阅读 0赞

[JDK内置工具使用][JDK]

[一、javah命令(CHeaderandStubFileGenerator)][javah_CHeaderandStubFileGenerator]

[二、jps命令(JavaVirtualMachineProcessStatusTool)][jps_JavaVirtualMachineProcessStatusTool]

[三、jstack命令(JavaStackTrace)][jstack_JavaStackTrace]

[四、jstat命令(JavaVirtualMachineStatisticsMonitoringTool)][jstat_JavaVirtualMachineStatisticsMonitoringTool]

[五、jmap命令(JavaMemoryMap)][jmap_JavaMemoryMap]

[六、jinfo命令(JavaConfigurationInfo)][jinfo_JavaConfigurationInfo]

[七、jconsole命令(JavaMonitoringandManagementConsole)][jconsole_JavaMonitoringandManagementConsole]

[八、jvisualvm命令(JavaVirtualMachineMonitoring,Troubleshooting,andProfilingTool)][jvisualvm_JavaVirtualMachineMonitoring_Troubleshooting_andProfilingTool]

[九、jhat命令(JavaHeapAnalyseTool)][jhat_JavaHeapAnalyseTool]

[十、Jdb命令(TheJavaDebugger)][Jdb_TheJavaDebugger]

Jhat用于对JAVAheap进行离线分析的工具，他可以对不同虚拟机中导出的heap信息文件进行分析，如LINUX上导出的文件可以拿到WINDOWS上进行分析，可以查找诸如内存方面的问题，使用方式可以查看这篇文章：

[http://blog.csdn.net/gtuu0123/archive/2010/11/27/6039474.aspx][http_blog.csdn.net_gtuu0123_archive_2010_11_27_6039474.aspx]

不过jhat和MAT比较起来，就没有MAT那么直观了，MAT是以图形界面的方式展现结果，MAT的使用方式可以参看文章：

[http://blog.csdn.net/fenglibing/archive/2011/04/02/6298326.asp][http_blog.csdn.net_fenglibing_archive_2011_04_02_6298326.asp]x

[JDK]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411999.aspx
[javah_CHeaderandStubFileGenerator]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411924.aspx
[jps_JavaVirtualMachineProcessStatusTool]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411932.aspx
[jstack_JavaStackTrace]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411940.aspx
[jstat_JavaVirtualMachineStatisticsMonitoringTool]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411951.aspx
[jmap_JavaMemoryMap]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411953.aspx
[jinfo_JavaConfigurationInfo]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411958.aspx
[jconsole_JavaMonitoringandManagementConsole]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411965.aspx
[jvisualvm_JavaVirtualMachineMonitoring_Troubleshooting_andProfilingTool]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411969.aspx
[jhat_JavaHeapAnalyseTool]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411971.aspx
[Jdb_TheJavaDebugger]: http://blog.csdn.net/fenglibing/archive/2011/05/11/6411974.aspx
[http_blog.csdn.net_gtuu0123_archive_2010_11_27_6039474.aspx]: http://blog.csdn.net/gtuu0123/archive/2010/11/27/6039474.aspx
[http_blog.csdn.net_fenglibing_archive_2011_04_02_6298326.asp]: http://blog.csdn.net/fenglibing/archive/2011/04/02/6298326.aspx