Replication slot in PostgreSQL

Replication slot in PostgreSQL replication slot Postgres 12 highlight - Replication slot copy · Complete a base backup with pg_basebackup –slot using a permanent slot · Create one or more replication slot SELECT * FROM pg_replication_slots to see if any replication slots were accidentally created that might be preventing WAL cleanup SHOW

replication slot Each subscription will receive changes via one replication slot Additional replication slots may be required for the initial synchronization of

replication slot already exists Inactive replication slots cause the accumulation of WAL files on the source DB instances WAL files might fill storage and cause outages Drop the subscription The postgresql_replication_slot resource creates and manages a replication slot on a PostgreSQL server Usage resource postgresql_replication_slot my_slot