Use logical replication for tables in RDS for PostgreSQL

As an administrator, you may find it necessary to calculate how many database connections are needed before installing CDC Replication on either a source or

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 Potential Causes · The WAL files have expired · The PostgreSQL replication slot used by the Pipeline is not able to complete the IO event

replication slot already exists I prefer using pg_stat_replication to make monitoring easier Monitoring PostgreSQL replication slots A replication slot ensures that the WAL will not go away