RFR: 8311978: Shenandoah: Create abstraction over heap metrics for heuristics [v8]

[Aleksey Shipilev]

On Fri, 21 Jul 2023 10:05:42 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove redundant include
>
> Also, please change the synopsis for the bug to clearly state this is about Shenandoah: `8311978: Shenandoah: Create abstraction over heap metrics for heuristics`

> @shipilev - how about `ShenandoahSpaceProperties` or `ShenandoahSpaceInfo`? I don't really like `Stats` here because it makes me think of summary statistics like average, min, max, etc. and there's none of that here.

`ShenandoahSpaceInfo` works, I think!

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PR Comment: https://git.openjdk.org/jdk/pull/14856#issuecomment-1645890890