Database Replication Manager Overview Configure and manage database replication topologies for PostgreSQL (streaming replication, logical replication), MySQL (source-replica, group replication), and MongoDB (replica sets). This skill covers primary-replica setup, read scaling through replica routing, failover automation, replication lag monitoring, and conflict resolution for multi-primary configurations. Prerequisites - Superuser or replication-role credentials on primary and replica servers - Network connectivity between all replication nodes (verify with or ) - , , or CLI tools installed o…