PostgreSQL 16 Documentation: Streaming Replication Protocol

Other: replication slot for Postgres RDS connector replication slot is active for pid Therefore, be sure to monitor the runtime of active transactions with the PostgreSQL pg_stat_activity view Run a query on the primary instance similar to the replication slot is active for pid A PostgreSQL replication slot is a vital feature ensuring the master server retains necessary Write-Ahead Log files, even when replicas

replication slot active f xmin catalog_xmin 937 restart_lsn