Christophe Pettus: All Your GUCs in a Row: max_slot_wal_keep_size
Replication slots can silently fill your disk and crash the primary, or you can set `max_slot_wal_keep_size` to kill a stalled replica instead.
Sources
- T2Christophe Pettus: All Your GUCs in a Row: max_slot_wal_keep_sizePlanet PostgreSQL