v.23.12Improvement

Parallel Replicas: Improved Announcement Response Handling

Official CH changelog text
Parallel replicas (experimental feature): announcement response handling improvement #57749 (Igor Nikonov).
Improved announcement response handling for parallel replicas (experimental feature).

Why it matters

Enhances the communication and synchronization between parallel replicas by improving the handling of announcement responses. This increases stability and reliability for distributed queries executed with parallel replicas.

How to use it

Enable the experimental parallel replicas feature in your ClickHouse setup. The improvements in announcement response handling are applied automatically as part of this feature's internal mechanisms—no additional user action is required.

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