[DOC] Tiered caching in OpenSearch

[sgup432]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request and all versions that are affected.
We are adding a tiered caching feature where we will extend the existing RequestCache within OpenSearch to include disk cache as well. This is the first milestone.

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.
opensearch-project/OpenSearch#10024
Milestone1 - opensearch-project/OpenSearch#10870

[hdhalter]

@sgup432 - Please let me know if this isn't going to make it in 2.12. Thanks!

[bbarani]

@sgup432 @kkhatua Can you please confirm if this feature will make it to 2.12.0 release?

[kkhatua]

Unfortunately no. I've updated the labels. @sgup432 will do for the others as well so as to reflect the revised feature release correctly.