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Add JMX metrics mappings for Generational Shenandoah#596

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krrg wants to merge 1 commit intoDataDog:masterfrom
krrg:add-genshen-jmx-metrics-mappings-12-mar-2026
Open

Add JMX metrics mappings for Generational Shenandoah#596
krrg wants to merge 1 commit intoDataDog:masterfrom
krrg:add-genshen-jmx-metrics-mappings-12-mar-2026

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@krrg krrg commented Mar 13, 2026

GenShen was released with OpenJDK 24 and creates memory pools with the names Shenandoah Young Gen and Shenandoah Old Gen (see https://github.com/openjdk/jdk/blame/master/src/hotspot/share/gc/shenandoah/shenandoahMemoryPool.cpp#L102)

This adds mappings for those metrics so they can eventually be pulled all the way into DataDog.

@krrg krrg requested a review from a team as a code owner March 13, 2026 18:00
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