RFR: 8157023: Integrate NMT with JFR

[Brice Dutheil]

On Fri, 2 Dec 2022 14:18:21 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Feel free to take part! I am especially interested in seeing concrete examples where NMT did help customers to lower memory footprint.

Actually it's not as much as reducing the memory footprint as it is sizing properly the memory constraints in a deployment unit (either the container and/or the JVM itself). That said this story goes beyond components's memory as reported by NMT to consider the actual process RSS as the dominant metric against OOMKills.

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PR: https://git.openjdk.org/jdk/pull/11449