v.23.12Improvement

Tolerate Keeper Failures in Quorum Inserts Check

Tolerate keeper failures in the quorum inserts' check. #57986 (Raúl Marín).
Added tolerance for keeper failures during quorum inserts' verification in ClickHouse.

Why it matters

This feature improves the robustness of quorum inserts by allowing the system to tolerate keeper failures when performing quorum checks. It prevents write operation failures caused by temporary keeper unavailability, enhancing data availability and consistency in distributed environments.

How to use it

Users benefit from this feature automatically as it enhances the quorum insert mechanism internally without requiring additional configuration. Ensure quorum inserts are used in distributed tables to leverage this improved failure tolerance.