Configuring PostgreSQL CDC Replication Slots and Publications

The Wonders of Postgres Logical Decoding Messages start replication slot postgres The replication slot basically tells Postgres not to recycle or remove any WAL files that could ultimately prevent it from catching up with the start_replication slot Logical replication of a table typically starts with taking a snapshot of the data on the publisher database and copying that to the subscriber Once that is

start replication slot postgres Replication slots provide an automated way to ensure that the master does not remove WAL segments until they have been received by all