What is Replication slots in PostgreSQL Streaming

PostgreSQL Replication Slots postgres create replication slot As we saw previously, when we created subscriptions that connected to the standby, it created replication slots on a non-writable standby What postgresql create replication slot pg_create_physical_replication_slot() is a system function for creating a physical replication slot pg_create_physical_replication_slot() was added in

postgresql replication slot Now a common cause for this kind of issue are replication slots which are not advanced: in that case, Postgres will hold on to all WAL segments