Common metrics:
postgresql_replication_status_info
Primary node metrics based on the
pg_stat_replication
view:
postgresql_replication_walsender_all_lag_bytes
postgresql_replication_walsender_all_lag_milliseconds
postgresql_replication_walsender_flush_lag_bytes
postgresql_replication_walsender_flush_lag_milliseconds
postgresql_replication_walsender_info
postgresql_replication_walsender_pending_lag_bytes
postgresql_replication_walsender_replay_lag_bytes
postgresql_replication_walsender_replay_lag_milliseconds
postgresql_replication_walsender_write_lag_bytes
postgresql_replication_walsender_write_lag_milliseconds
Standby node metrics based on the
pg_stat_wal_receiver
view:
postgresql_replication_walreceiver_flush_lag_bytes
postgresql_replication_walreceiver_info
postgresql_replication_walreceiver_ping_milliseconds
postgresql_replication_walreceiver_received_bytes