RFR: 8321816: GenShen: Provide a minimum amount of time for an old collection to run [v5]

[Y. Srinivas Ramakrishna]

On Thu, 21 Dec 2023 03:54:19 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Young collections are allowed to interrupt old collections. Under heavy load, this may result in starvation of old collections - which may in turn lead to even more memory pressure on the young generation. Adding a minimum guaranteed amount of time for the old gc to make progress will help avoid this situation.
>
> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Improve comments, don't run fruitless global cycles

Thanks for the clarifying documentation comments & the changes.

Looks good to me! 🚢

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Marked as reviewed by ysr (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/371#pullrequestreview-1793689320