This topic describes the metrics for PolarDB Oracle.

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

  • Set the Namespace parameter to acs_polardb.
  • 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 Metric Dimensions Statistics
Active Connection Count active_connections userId, clusterId, and instanceId Average
BlockRead Count blks_read_delta userId, clusterId, and instanceId Value
Connection Usage % conn_usage userId, clusterId, and instanceId Average
CPU Usage % cpu_total userId, clusterId, and instanceId Average
DB Age xids db_age userId, clusterId, and instanceId Average
Memory Usage % mem_usage userId, clusterId, and instanceId Average
Data Size Mbyte pls_data_size userId, clusterId, and instanceId Value
IOPS Frequency pls_iops userId, clusterId, and instanceId Average
Read IOPS Frequency pls_iops_read userId, clusterId, and instanceId Average
Write IOPS Frequency pls_iops_write userId, clusterId, and instanceId Average
WAL Log Size Mbyte pls_pg_wal_dir_size userId, clusterId, and instanceId Value
IO Throughout Mbyte/s pls_throughput userId, clusterId, and instanceId Average
Read IO Throughput Mbyte/s pls_throughput_read userId, clusterId, and instanceId Average
Write IO Throughput Mbyte/s pls_throughput_write userId, clusterId, and instanceId Average
Swell Time s swell_time userId, clusterId, and instanceId Average
TPS Frequency tps userId, clusterId, and instanceId Average
Rollback Ratio % rollback_ratio userId, clusterId, and instanceId userId, clusterId, and instanceId