Documentation: 16: Streaming Replication Protocol

Logical Replication on Standbys in Postgres 16 replication slot postgres As mentioned earlier, each subscription receives changes from a replication slot on the remote side Additional table replication slot Take Away The morale of the story? Don't leave your replication slots unattended! There shouldn't be any slots which are inactive for too long

replication slot already exists The solution is replication slots, a feature provided by Postgres that ensures the primary server only discards WAL records after they have been received by the