v.22.12Improvement
Keeper Improvement: Manual Node Leader Assignment with rqld Command
Keeper improvement: Add 4lw command rqld which can manually assign a node as leader. #43026 (JackyWoo).Why it matters
This feature enables administrators to manually designate a specific node as the leader in a ClickHouse Keeper cluster. It provides greater control over leader election processes, which can help in maintenance, failover, and troubleshooting scenarios by explicitly setting leadership rather than relying solely on automatic election.How to use it
Use therqld 4lw command within the Keeper management interface or via Keeper clients to manually assign the leader node by specifying the desired node ID.