Postgres 10 highlight

Postgres 10 highlight replication slot postgres Checking for replication slots Starting from PostgreSQL , it is also necessary and useful to check for leftover replication slots replication slot already exists 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

replication slot already exists Replication allows a client to receive a continuous stream of updates from a PostgreSQL database, providing a near-realtime view of all changes as they occur

replication slot is active for pid A physical replication slot prevents a source DB instance from removing WAL data before it's consumed by all read replicas Each read replica has its own Replication slots for High Availability A replication slot exists solely on the instance that created it, and PostgreSQL does not replicate it on the standby