Public Preview: Logical replication slot sync Status metric for Azure PostgreSQL Flexible Server

You can now monitor the synchronization status of your logical replication slots in Azure Database for PostgreSQL – Flexible Server using the new logical_replication_slot_sync_status metric, now in public preview. This Azure Monitor metric shows whether each logical replication slot is synchronized, catching up, or in an unknown state—helping you validate replication health and slot readiness.

This feature is especially useful when using logical decoding or change data capture (CDC) tools like Debezium or Kafka. With per-slot visibility and the ability to set up alerts, you can ensure your logical replication setup remains consistent and responsive during planned maintenance, migrations, or system events.

Learn more.