RFR: JDK-8299672: Enhance HeapDump JFR event

[Erik Gahlin]

On Thu, 5 Jan 2023 14:54:31 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> Enhance the JFR Event HeapDump  with the additional interesting fields, compression and overwrite.
> Add some UL logging in case the heap dump writing failed .

What's the rationale for adding compression level and overwrite?

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PR: https://git.openjdk.org/jdk/pull/11864