ERROR: all replication slots are in use

What happens to logical replication after running pg_upgrade? postgres delete replication slot This is not using replication slots sadly so I can no simply delete the replication slot name as there is none I believe this was postgres drop replication slot A physical replication slot prevents a source DB instance from removing WAL data before it's consumed by all read replicas Each read replica has its own

postgres delete replication slot Replication slots provide an automated way to ensure that the primary server does not delete