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Version: 6.2

Database Observability: Replication and HA

The Database Observability: Replication and HA dashboard monitors replica lag, WAL streaming status, Patroni roles, replication slots, and the PgBouncer client queue.

Who it is for: database administrators, on-call engineers, and high-availability specialists.

Data source: db_replication*.

Main Sections​

1. Replication Status​

Shows the cluster status:

  • number of nodes and replicas without streaming replication
  • WAL and time lag
  • number of inactive slots
  • node roles and trends in replica lag

Replication status

2. Nodes and Replication Slots​

Shows Patroni node roles and status, slot activity, and the volume of retained WAL. From a row in the nodes table, you can navigate to the state of the selected instance.

Nodes and replication slots

3. Connection Pools​

Shows clients, wait time, and the state of PgBouncer pools.

PgBouncer connection pools