Why You Should Use Replication Slots in PostgreSQL

Enable hot_standby_feedback = on · Use a physical replication slot to replicate from upstream to the standby · Run pg_log_standby_snapshot() on

By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL

start 77 slot When replication slots is enabled, you might end up running out of disk space due to PostgreSQL trying to retain WAL files requested by a replication slot

start_replication slot Options · --create-slot Create a new logical replication slot with the name specified by --slot , using the output plugin specified by --plugin , for the