v.23.7Improvement

Cache Dictionary Requests Unique Keys from Source

Cache dictionary now requests only unique keys from source. Closes #51762. #51853 (Maksim Kita).
Cache dictionary now optimizes key requests by querying only unique keys from the source.

Why it matters

This feature improves efficiency and performance by reducing duplicate key queries when loading data into cache dictionaries, minimizing unnecessary load and network overhead.

How to use it

No special action is required from users; cache dictionaries automatically request only unique keys from their source after this update.