Postgresql logical replication slots: Are they 'expensive'? Is having

Set up logical replication and decoding postgresql 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 postgresql drop replication slot PostgreSQL 12: Copying replication slots · Restore the same basebackup to the new replica locations · Change the slot to use for the second

postgresql replication slot A logical replication slot works by keeping track of the oldest address in the oldest write-ahead log that the consumer has already