operations
Zero-Downtime Changes
Reconfigure routing, users, and backends at runtime — no restarts required.
Architectural Value
Inspired by advanced router design principles, ProxySQL treats its configuration as a live, runtime object. Every parameter — from query rules to hostgroup assignments — can be changed and applied instantly while connections continue to flow.
Key Capabilities
- → Runtime Reconfiguration: Modify query rules, backend pools, and user credentials without interrupting traffic.
- → Atomic Config Promotion: Changes are staged and validated before being promoted to the active runtime state.
- → Rolling Updates: Safely drain and swap backend nodes during maintenance or deployments without client disruption.
Architectural Review
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