v.22.2New Feature

Dynamic TLS Certificate Reloading on Config Update

Dynamic reload of server TLS certificates on config reload. Closes #15764. #15765 (johnskopis). #31257 (Filatenkov Artur).
Adds support for dynamic reloading of server TLS certificates upon configuration reload without restarting the ClickHouse server.

Why it matters

This feature enables seamless updates of TLS certificates, improving security and uptime by eliminating the need for server restarts when certificates are renewed or changed.

How to use it

Update the TLS certificate files as needed and perform a ClickHouse server configuration reload. The server will automatically reload the updated TLS certificates without requiring a full restart.