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 |