Troubleshoot a PostgreSQL AWS DMS task with used replication slots

Troubleshoot a PostgreSQL AWS DMS task with used replication slots postgres drop replication slot To begin, determine the maximum number of replication slots Then, delete or “drop” the previously utilized replication slots Execute the postgresql create replication slot To proceed in this situation, first disable the subscription by executing ALTER SUBSCRIPTION DISABLE , and then disassociate it from the replication slot by

postgresql create replication slot Now a common cause for this kind of issue are replication slots which are not advanced: in that case, Postgres will hold on to all WAL segments

postgres replication slot PostgreSQL will not remove transaction log files for which changes exist that have not been processed by a replication slot For this reason, replication slots Failover of the logical replication slot​ · Configure replication slot in PostgreSQL · Wait for replication slot to be ready, then begin a transaction and export