v.21.7Improvement
Add Support for Pushing Down LIMIT in Distributed Queries
Add ability to push down LIMIT for distributed queries. #23027 (Azat Khuzhin).
Why it matters
This feature optimizes distributed query performance by applyingLIMIT constraints directly on remote shards before data is sent back to the initiator node. It reduces data transfer volume and speeds up query execution.How to use it
Users can benefit from this feature automatically when executing distributed queries withLIMIT clauses. No additional configuration is required to enable limit pushdown.