This topic describes the metrics for PolarDB for MySQL.
- Set the Namespace parameter to acs_polardb.
- Set the Period parameter to an integral multiple of 60s. The default value is 60s.
| Metric | Unit | MetricName | Dimensions | Statistics |
|---|---|---|---|---|
| ActiveSessions | count | cluster_active_sessions | userId, clusterId, and nodeId | Average |
| ConnectionUtilization | % | cluster_connection_utilization | userId, clusterId, and nodeId | Average |
| CPUUtilization | % | cluster_cpu_utilization | userId, clusterId, and nodeId | Average |
| Input And Output | KB | cluster_data_io | userId, clusterId, and nodeId | Average |
| Innodb Input/Output Per Second | count/s | cluster_data_iops | userId, clusterId, and nodeId | Average |
| Input/Output Per Second | count/s | cluster_iops | userId, clusterId, and nodeId | Average |
| Memory Buffer Hit Ratio | % | cluster_mem_hit_ratio | userId, clusterId, and nodeId | Average |
| MemoryUtilization | % | cluster_memory_utilization | userId, clusterId, and nodeId | Average |
| QueriesPerSecond | count | cluster_qps | userId, clusterId, and nodeId | Average |
| Slow Queries Per Second | count/s | cluster_slow_queries_ps | userId, clusterId, and nodeId | Average |
| TransactionsPerSecond | count/s | cluster_tps | userId, clusterId, and nodeId | Average |