Pipeline failure due to replication slot errors

The slot state state=present implies the slot must be present in the system state=absent implies the groups must be revoked from target_roles

Pipeline failure due to replication slot errors It appears that Aurora PostgreSQL major version upgrade requires us to first drop all replication slots, then perform upgrade,

The slot state state=present implies the slot must be present in the system state=absent implies the groups must be revoked from target_roles

postgres drop replication slot catalog_xmin, xid, The oldest transaction affecting the system catalogs that this slot needs the database to retain VACUUM cannot remove catalog tuples deleted

The solution is replication slots, a feature provided by Postgres that ensures the primary server only discards WAL records after they have been received by the

postgresql drop replication slot You must drop the logical replication slot in the primary server if the corresponding subscriber no longer exists Otherwise, the WAL files

A limitation of the PostgreSQL implementation is that replication slots are not cluster-aware: a replication slot exists solely on the instance