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_bytespostgresql_replication_walsender_all_lag_millisecondspostgresql_replication_walsender_flush_lag_bytespostgresql_replication_walsender_flush_lag_millisecondspostgresql_replication_walsender_infopostgresql_replication_walsender_pending_lag_bytespostgresql_replication_walsender_replay_lag_bytespostgresql_replication_walsender_replay_lag_millisecondspostgresql_replication_walsender_write_lag_bytespostgresql_replication_walsender_write_lag_milliseconds
Standby node metrics based on the pg_stat_wal_receiver view:
postgresql_replication_walreceiver_flush_lag_bytespostgresql_replication_walreceiver_infopostgresql_replication_walreceiver_ping_millisecondspostgresql_replication_walreceiver_received_bytes