PostgreSQL 16 Documentation: Streaming Replication Protocol

Replication Functions - Online Documentation Platform replication slot is active for pid Replication slots for High Availability A replication slot exists solely on the instance that created it, and PostgreSQL does not replicate it on the standby replication slot is active for pid Replication slots must be enabled in by setting the parameter max_replication_slots to at least the number of expected standbys (changes to this

replication slot already exists Initial Synchronization Worker: Synchronizes initialexisting data from the publisher by creating a temporary replication slot and running a