PostgreSQL 17 Logical Replication: A Production-Ready Setup Walkthrough
PostgreSQL 17 brings the most significant logical replication improvements since the feature was introduced β failover slots, bidirectional replication scaffolding, and dramatically better DDL handling. This is a production-ready walkthrough: publication and subscription setup, conflict handling that does not surprise you, monitoring that catches replication lag before it cascades, and the failover and switchover patterns that work in real environments....