[master] RFR: OMWorld: Decouple deflation and table sizing [v3]

[Coleen Phillimore]

On Tue, 4 Jun 2024 06:03:17 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

>> The change reverts all changes to deflation and moves the resizing of the OMWorld ConcurrentHashTable to the service thread. Using a similar logic to how we resize the Symbol- and StringTables. 
>> 
>> The option to shrink the table is taken out and can be reintroduced at a later date as an enhancement. To do it correctly the interactions with deflation needs to be figured out.
>
> Axel Boldt-Christmas has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
> 
>  - Merge remote-tracking branch 'upstream_lilliput/master' into lilliput-decouple-deflation
>  - Merge remote-tracking branch 'upstream_lilliput/master' into lilliput-decouple-deflation
>  - Decouple deflation and table sizing

The interaction with the OM deflation thread isn't straightforward so it seems better to have this in the ServiceThread for now.  Thanks for explaining this @xmas92

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Marked as reviewed by coleenp (Committer).

PR Review: https://git.openjdk.org/lilliput/pull/175#pullrequestreview-2096553858