Set up logical replication and decoding

Unfortunately, PostgreSQL does not provide a direct function or view that shows the size of the replication slot in terms of disk space However, you can

Create a replication slot on your Postgres database; Create publication and replication identities for each Postgres table; Enable CDC replication in the

replication slot is active for pid A replication slot is the mechanism used in this scheme to track progress of a subscription For Aurora PostgreSQL DB clusters, the WAL records are saved on

replication slot does not exist PostgreSQL replication slot