8.11. Replication Metrics #

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