https://eclipse.dev/mat/
https://github.com/eclipse-mat/mat

https://eclipse.dev/mat/download/
https://wiki.eclipse.org/MemoryAnalyzer/FAQ
https://wiki.eclipse.org/MemoryAnalyzer/Learning_Material
https://help.eclipse.org/latest/index.jsp?topic=/org.eclipse.mat.ui.help/welcome.html

shallow
    size of the obj itself with headers/fields, but without fields' values
retained


2025
https://www.vogella.com/tutorials/EclipseMemoryAnalyzer/article.html
2024
JPoint - Plizga - HeapDump Mem Analysis Guide 0:00 of 46:10
    https://www.youtube.com/watch?v=fPns2O-cnYQ
    https://jokerconf.com/talks/73c199ab870d45f9b27439962cd77f91
        Dominator Tree
        OQL
        Apache Callcite
            https://calcite.apache.org/
            https://github.com/vlsi/mat-calcite-plugin
        JFR Settings for Recording -> Object Allocation Sample, Stack Trace = true
        btrace (can print vars)
        https://www.datadoghq.com/blog/java-memory-management/
        https://github.com/DataDog/jmxfetch
        https://github.com/DataDog/dd-trace-java
        https://docs.datadoghq.com/tracing/trace_collection/automatic_instrumentation/dd_libraries/java/?tab=wget
        https://github.com/Toparvion/spring-petclinic-rest
        https://toparvion.pro/project/bugclinic/
        https://github.com/Toparvion/heap-talk
        https://toparvion.pro/project/heap-talk/
2020
https://habr.com/ru/post/519830/
2019
JPint - Pangin
    https://www.youtube.com/watch?v=kKigibHrV5I
2016
JPoint - Sitnikov
    https://www.youtube.com/watch?v=OE3wowy29mg
????
https://codingtechroom.com/question/jvm-heap-dump-outofmemoryerror

mat_dump_analyze.bat:
@echo off
setlocal

REM Usage: ParseHeapDump.bat <path/to/dump.hprof> [report]*
REM 
REM The leak report has the id org.eclipse.mat.api:suspects
REM 

:: org.eclipse.mat.api:suspects
:: org.eclipse.mat.api:top_components
%~dp0..\java\jtools\mat\MemoryAnalyzer.exe -consoleLog -application org.eclipse.mat.api.parse -keep_unreachable_objects  %*
:: org.eclipse.mat.api:suspects org.eclipse.mat.api:top_components
:: 

endlocal