What is Replication slots in PostgreSQL Streaming

What is Replication slots in PostgreSQL Streaming replication slot Replication slots were introduced with PostgreSQL and are designed to ensure that any standby connected to the primary using a replication slot will always replication slot already exists Answer If you do not see the replication slot under the slot_name column then the slot does not exist There are two potential reasons for this: If you do

replication slot already exists Check manual page of aws_rds_replication_slot_usage This check monitors the replication slot disk usage of AWSRDS To make this

replication slot Each subscription will receive changes via one replication slot Additional replication slots may be required for the initial synchronization of Postgres 12 highlight - Replication slot copy · Complete a base backup with pg_basebackup –slot using a permanent slot · Create one or more