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JVM Large heap analysis
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| // install Eclipse Memory Analyzer (MAT) | |
| wget http://www.mirrorservice.org/sites/download.eclipse.org/eclipseMirror/mat/1.6.1/rcp/MemoryAnalyzer-1.6.1.20161125-linux.gtk.x86_64.zip | |
| unzip MemoryAnalyzer-1.6.1.20161125-linux.gtk.x86_64.zip | |
| cd mat/ | |
| // add more heap to mat | |
| nano MemoryAnalyzer.ini | |
| // create a dump | |
| su - username // if needed | |
| ps aux | grep java | |
| /opt/jdk1.8.0_131/bin/jmap -dump:live,format=b,file=/tmp/22219javaheap.hrpof 22219 | |
| ./ParseHeapDump.sh /tmp/22219javaheap.hrpof // creates indexes | |
| ./ParseHeapDump.sh /tmp/22219javaheap.hrpof org.eclipse.mat.api:suspects // creates a report |
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