RFR: Update heap usage tallies for generations after full GC compaction

Tue Oct 12 12:16:14 UTC 2021

On Mon, 11 Oct 2021 18:37:00 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Two changes here:
> * Verification checks heap usage for _each_ generation every time (rather than only check the _active_ generation).
> * Compute heap usage after post compaction phase of full gc (rather than pre-compaction phase).

Looks good to me! Thanks!

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Marked as reviewed by rkennke (Lead).

PR: https://git.openjdk.java.net/shenandoah/pull/84