Database Administration & Monitoring, Database management, Operating systems Highly Available, Load-Balanced PostgreSQL with Patroni, HAProxy, and Keepalived 26.06.2026 by Joan Frey Patroni runs your PostgreSQL cluster and handles failover, promoting a replica the moment the primary dies and recording the change in its distributed store (etcd, Consul, or ZooKeeper). That part works on its own. Your applications still need(…)