Umair Shahid: PostgreSQL High Availability on OCI: Why Your Failover Passes Every Test But Breaks in Production
Your PostgreSQL HA cluster promotes a new primary. Patroni says everything is healthy. But your application is still talking to the old, dead node. Welcome to the OCI VIP problem. If you have built PostgreSQL high availability clusters on AWS or Azure, you h…
Your PostgreSQL HA cluster promotes a new primary. Patroni says everything is healthy. But your application is still talking to the old, dead node. Welcome to the OCI VIP problem. If you have built … [+11120 chars]