A Guide to Logical Replication and CDC in PostgreSQL

Any unused replication slot must be dropped Slots hold on to Postgres WAL logs and relevant system catalogs until changes have been read by a

slot=pg2 $ echo $? 0 $ psql -c DROP_REPLICATION_SLOT pg2 host= port=5432 replication=database user=mba dbname=postgres SELECT $ This would get

start 77 slot When we create logical replication publication, we tell Postgres replication slot, it will create the snapshot automatically and return its id

start_replication slot Postgres has introduced physical replication starting in PostgreSQL In physical replication, each change in the master is