v.21.9New Feature

Add Shared Storage for User Data and Settings Profiles via ZooKeeper

Official CH changelog text
Add shared (replicated) storage of user, roles, row policies, quotas and settings profiles through ZooKeeper. #27426 (Kevin Michel).
Introduces shared (replicated) storage of users, roles, row policies, quotas, and settings profiles using ZooKeeper.

Why it matters

This feature enables centralized and consistent management of user-related configurations across a replicated ClickHouse cluster, ensuring synchronization and reducing configuration drift.

How to use it

Enable ZooKeeper-based storage for users, roles, row policies, quotas, and settings profiles by configuring the appropriate ZooKeeper settings in the ClickHouse server configuration to store and replicate these entities.

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