linux安装MAT(MemoryAnalyzerTool)工具

发布时间 2023-11-29 16:58:02作者: 晨度

下载

地址: Eclipse Memory Analyzer Open Source Project | The Eclipse Foundation

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注意: 1.12.0 Release需要JDK11

参数配置

在配置的部分,我们主要配置的是ParseHeapDump.sh脚本中的内存参数。
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在脚本的最后一行的最后面,加上如下的参数
-vmargs -Xmx30g -XX:-UseGCOverheadLimit
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具体的内存的大小,要根据dump的大小来修改,设置的太小会出现OOM的情况。

分析dump文件及生成报告

接下来,我们就是要通过ParseHeapDump.sh来分析dump文件

命令如下:

ParseHeapDump.sh <path/to/dump.hprof> [report]*

示例:

./mat/ParseHeapDump.sh ./gl.hprof org.eclipse.mat.api:suspects

执行过程,如下:

[root@nccztsjb-node-27 data]# ./mat/ParseHeapDump.sh ./gl.hprof org.eclipse.mat.api:suspects
WARNING: A terminally deprecated method in java.lang.System has been called
WARNING: System::setSecurityManager has been called by org.eclipse.osgi.internal.framework.SystemBundleActivator (file:/data/mat/plugins/org.eclipse.osgi_3.16.300.v20210525-1715.jar)
WARNING: Please consider reporting this to the maintainers of org.eclipse.osgi.internal.framework.SystemBundleActivator
WARNING: System::setSecurityManager will be removed in a future release
Task: Parsing gl.hprof
[Task: Parsing /data/./gl.hprof
[
Subtask: Scanning /data/./gl.hprof
[
[INFO] Detected compressed references, because with uncompressed 64-bit references the array at 0x7216eff10 would overlap the array at 0x7216ef5e0
[.

执行完成后,会生成一个报告的文件
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将这个文件,解压到本地电脑,通过浏览器就可以进行查看,比如:
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参考

https://www.cnblogs.com/chuanzhang053/p/16370636.html