Added configurable retry mechanism for all ZooKeeper operations involved in Backup queries in ClickHouse.
Why it matters
This feature addresses the reliability of Backup queries by enabling configurable retries for operations with ZooKeeper. It helps to improve fault tolerance and stability when performing backups that interact with ZooKeeper, reducing the chance of failure due to transient errors.How to use it
Users can configure the number of retries and related parameters for ZooKeeper operations during Backup queries via the relevant settings in the ClickHouse configuration. This enables automatic retry attempts for ZooKeeper operations without requiring manual intervention.