Using PostgreSQL Replication Slots | Severalnines
There are two kinds of replication slots in PostgreSQL - physical (for physical replication) and logical (for logical replication).
E.1. Release 18
If replication slots will be used, ensure that max_replication_slots is set sufficiently high as well. ... postgres=# SELECT * FROM pg_create_physical_replication_slot('node slot_name | lsn .
PostgreSQL 12 Streaming Replication in Ubuntu 18.04 · GitHub
PostgreSQL 12 Streaming Replication in Ubuntu 18.04 - PostgreSQL-12-Streaming-Replication-in-Ubuntu-18.04.md
PostgreSQL: Documentation: 16: 20.6. Replication
The maximum number of replication slots in PostgreSQL is controlled by the ‘max_replication_slots’ configuration parameter.