Logical Replication in PostgreSQL Explained

PostgreSQL : Documentation: : pg_replication_slots postgresql replication slot Postgres replication slot size keeps growing even though Debezium is consuming the WAL This consequently causes to run out of disk space The postgresql create replication slot Replication slots make sure that the new primary can carry on streaming changes from where the old primary left off This minimizes data loss

postgresql drop replication slot As mentioned earlier, each subscription receives changes from a replication slot on the remote side Additional table