Cluster discovery in ClickHouse now supports specifying username and password for authentication.
Why it matters
This feature addresses the need for secure authentication when performing cluster discovery. By allowing users to set a username and password, it enhances security and flexibility in environments where clusters require authentication, preventing unauthorized access and ensuring smooth inter-node communication.How to use it
Users can enable authentication during cluster discovery by providing the desired username and password in the cluster configuration settings. This ensures that connections established for cluster discovery use the specified credentials for authentication.