Migrate from Crunchy Data PostgreSQL Operator to Percona PostgreSQL Operator: The Standby Cluster Method (opens in new tab)

A Crunchy to Percona PostgreSQL migration is more straightforward than most cross-operator moves on Kubernetes, because the Percona PostgreSQL Operator is a hard fork of the Crunchy Data PostgreSQL Operator. Same Patroni HA, same pgBackRest backups, same overall CRD shape. This post walks through the safest of the three migration paths: a standby cluster method with near-zero downtime. This is part 2 of a 3-part series on running PostgreSQL on Kubernetes with a fully open-source operator. Par...