Some Slony1 Concepts (Official Docs) If you are familiar with slony concepts jump ahead to Start Replicating. Node Is a named PostgreSQL database instance that will be participating in replication. Cluster Is a named set of PostgreSQL database instances (i.e. nodes). Replication takes place between the set of database instances. Replication Set Is a set of tables and sequences that are to be replicated between the nodes. Each replication set has an origin and can have zero to many subscribers. The replication set is a key concept in the slony1 architecture. This concept provides...