Add or remove replication slots from a PostgreSQL database

Potential Causes · The WAL files have expired · The PostgreSQL replication slot used by the Pipeline is not able to complete the IO event

How do I view and delete replication slots?,ApsaraDB RDS:ApsaraDB RDS for PostgreSQL allows you to view and delete replication slots in the

replication slot already exists A replication slot is created on the primary database server for each standby server The slot keeps track of the last confirmed receive location of WAL data on

replication slot Postgres 12 highlight - Replication slot copy · Complete a base backup with pg_basebackup –slot using a permanent slot · Create one or more