This topic describes the metrics for PolarDB-X V1.0.

When you call an API operation provided by CloudMonitor, set the Namespace and Period parameters.

  • Set the Namespace parameter to acs_drds.
  • Set the Period parameter to an integral multiple of 60. Default value: 60. Unit: seconds.

The following table describes the valid values of the MetricName and Dimensions parameters.

Metric Unit MetricName Dimensions Statistics
DRDS_CPUUtilization % CPUUtilization userId and instanceId Average
DRDS_ConnectionCount Count ConnectionCount userId and instanceId Average
Logical QPS Count LogicQPS userId and instanceId Average
Logical RT ms LogicRT userId and instanceId Average
Memory usage % MemoryUtilization userId and instanceId Average
DRDS_NetworkInputTraffic bit/s NetworkInputTraffic userId and instanceId Average
DRDS_NetworkOutputTraffic bit/s NetworkOutputTraffic userId and instanceId Average
Physical QPS Count PhysicsQPS userId and instanceId Average
Physical RT ms PhysicsRT userId and instanceId Average
Number of active threads Count ThreadCount userId and instanceId Average
Number of active sessions on a private ApsaraDB RDS for MySQL instance Count active_session userId, instanceId, and rdsInstId Average
Number of DELETE statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_delete userId, instanceId, and rdsInstId Average
Number of INSERT statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_insert userId, instanceId, and rdsInstId Average
Number of INSERT and SELECT statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_insert_select userId, instanceId, and rdsInstId Average
Number of REPLACE statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_replace userId, instanceId, and rdsInstId Average
Number of REPLACE and SELECT statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_replace_select userId, instanceId, and rdsInstId Average
Number of SELECT statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_select userId, instanceId, and rdsInstId Average
Number of UPDATE statements that are executed per second on a private ApsaraDB RDS for MySQL instance Count com_update userId, instanceId, and rdsInstId Average
Connection utilization of a private ApsaraDB RDS for MySQL instance % conn_usage userId, instanceId, and rdsInstId Average
CPU utilization of a private ApsaraDB RDS for MySQL instance % cpu_usage userId, instanceId, and rdsInstId Average
Disk usage of a private ApsaraDB RDS for MySQL instance % disk_usage userId, instanceId, and rdsInstId Average
Dirty page ratio of the buffer pool of a private ApsaraDB RDS for MySQL instance % ibuf_dirty_ratio userId, instanceId, and rdsInstId Average
Number of physical reads per second on a private ApsaraDB RDS for MySQL instance Count ibuf_pool_reads userId, instanceId, and rdsInstId Average
Read hit ratio of the buffer pool of a private ApsaraDB RDS for MySQL instance % ibuf_read_hit userId, instanceId, and rdsInstId Average
Number of logical reads per second on a private ApsaraDB RDS for MySQL instance Count ibuf_request_r userId, instanceId, and rdsInstId Average
Number of logical writes per second on a private ApsaraDB RDS for MySQL instance Count ibuf_request_w userId, instanceId, and rdsInstId Average
Utilization of the buffer pool of a private ApsaraDB RDS for MySQL instance % ibuf_use_ratio userId, instanceId, and rdsInstId Average
Amount of data read per second on a private ApsaraDB RDS for MySQL instance that uses InnoDB KB inno_data_read userId, instanceId, and rdsInstId Average
Amount of data written per second to a private ApsaraDB RDS for MySQL instance that uses InnoDB KB inno_data_written userId, instanceId, and rdsInstId Average
Number of rows deleted per second from a private ApsaraDB RDS for MySQL instance that uses InnoDB Count inno_row_delete userId, instanceId, and rdsInstId Average
Number of rows inserted per second to a private ApsaraDB RDS for MySQL instance that uses InnoDB Count inno_row_insert userId, instanceId, and rdsInstId Average
Number of rows read per second on a private ApsaraDB RDS for MySQL instance that uses InnoDB Count inno_row_readed userId, instanceId, and rdsInstId Average
Number of rows updated per second on a private ApsaraDB RDS for MySQL instance that uses InnoDB Count inno_row_update userId, instanceId, and rdsInstId Average
Number of write requests per second to the logs of a private ApsaraDB RDS for MySQL instance that uses InnoDB Count innodb_log_write_requests userId, instanceId, and rdsInstId Average
Number of logical writes per second to the logs of a private ApsaraDB RDS for MySQL instance that uses InnoDB Count innodb_log_writes userId, instanceId, and rdsInstId Average
Number of times fsync is called per second to write data to the logs of a private ApsaraDB RDS for MySQL instance that uses InnoDB Count innodb_os_log_fsyncs userId, instanceId, and rdsInstId Average
Inbound bandwidth of a private ApsaraDB RDS for MySQL instance bit/s input_traffic_ps userId, instanceId, and rdsInstId Average
IOPS usage of a private ApsaraDB RDS for MySQL instance % iops_usage userId, instanceId, and rdsInstId Average
Outbound bandwidth of a private ApsaraDB RDS for MySQL instance bit/s output_traffic_ps userId, instanceId, and rdsInstId Average
Queries per second (QPS) of a private ApsaraDB RDS for MySQL instance Count qps userId, instanceId, and rdsInstId Average
Latency of a private read-only ApsaraDB RDS for MySQL instance Second slave_lag userId, instanceId, and rdsInstId Average
Slow queries per second of a private ApsaraDB RDS for MySQL instance Count slow_queries userId, instanceId, and rdsInstId Average
Number of temporary tables created per second on a private ApsaraDB RDS for MySQL instance Count tb_tmp_disk userId, instanceId, and rdsInstId Average
Transactions per second (TPS) of a private ApsaraDB RDS for MySQL instance Count tps userId, instanceId, and rdsInstId Average