Search Documentation: Home → Documentation → Manuals → PostgreSQL 9.2 This page in other versions: 9.1 / 9.2 / 9.3 |  Development versions: devel PostgreSQL 9.2.8 Documentation Prev Up Chapter 18. Server Configuration Next 18.6. Replication These settings control the behavior of the built-in streaming replication feature (see Section 25.2.5 ). Servers will be either a Master or a Standby server. Masters can send data, while Standby(s) are always receivers of replicated data. When cascading replication (see Section 25.2.6 ) is used, Standby server(s) can also be senders, as well as receivers. Parameters are mainly for Sending and Standby servers, though some parameters have meaning only on the Master server. Settings may vary across the cluster without problems if that is required. 18.6.1. Sending Server(s) These para...