anand76 52be8f54f2 Add APIs to query secondary cache capacity and usage for TieredCache (#12011) ...

Summary:
In `TieredCache`, the underlying compressed secondary cache is hidden from the user. So we need a way to query the capacity, as well as the portion of cache reservation charged to the compressed secondary cache.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12011

Test Plan: Update the unit tests

Reviewed By: akankshamahajan15

Differential Revision: D50651943

Pulled By: anand1976

fbshipit-source-id: 06d1cb5edb75a790c919bce718e2ff65f5908220

2023-10-25 16:54:50 -07:00

4.6 KiB

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