This topic describes the metrics and their corresponding indicators of ApsaraDB for MongoDB standalone instances.
When you call an API operation provided by CloudMonitor, set the Namespace and Period parameters.
- Set the Namespace parameter to acs_mongodb.
- Set the Period parameter to an integral multiple of 60s. The default value is 60s.
The following table describes the valid values of the MetricName and Dimensions parameters.
| Metric in alert rules | Indicator | Unit | MetricName | Dimensions | Statistics |
|---|---|---|---|---|---|
| Disk usage | disk_usage | % | SingleNodeDiskUtilization | userId and instanceId | Average, Maximum, and Minimum |
| Inbound network traffic | bytes_in | Bytes | SingleNodeIntranetIn | userId and instanceId | Average, Maximum, and Minimum |
| Outbound network traffic | bytes_out | Bytes | SingleNodeIntranetOut | userId and instanceId | Average, Maximum, and Minimum |
| Memory usage | mem_usage | % | SingleNodeMemoryUtilization | userId and instanceId | Average, Maximum, and Minimum |
| Number of requests | num_requests | Count | SingleNodeNumberRequests | userId and instanceId | Average, Maximum, and Minimum |
| CPU utilization | cpu_usage | % | SingleNodeCPUUtilization | userId and instanceId | Average, Maximum, and Minimum |
| Number of used connections | current_conn | Count | SingleNodeConnectionAmount | userId and instanceId | Average, Maximum, and Minimum |
| Connection usage | conn_usage | % | SingleNodeConnectionUtilization | userId and instanceId | Average, Maximum, and Minimum |
| Number of command operations | command | Count/s | SingleNodeOpCommand | userId and instanceId | Average, Maximum, and Minimum |
| Number of deletion operations | delete | Count/s | SingleNodeOpDelete | userId and instanceId | Average, Maximum, and Minimum |
| Number of getMore operations | getmore | Count/s | SingleNodeOpGetmore | userId and instanceId | Average, Maximum, and Minimum |
| Number of insert operations | insert | Count/s | SingleNodeOpInsert | userId and instanceId | Average, Maximum, and Minimum |
| Number of query operations | query | Count/s | SingleNodeOpQuery | userId and instanceId | Average, Maximum, and Minimum |
| Number of update operations | update | Count/s | SingleNodeOpUpdate | userId and instanceId | Average, Maximum, and Minimum |
| Queries per second (QPS) | insert+delete+update+query+getmore+command | Count/s | SingleNodeQPS | userId and instanceId | Average, Maximum, and Minimum |
| Disk size occupied by data | data_size | Bytes | SingleNodeDateDiskAmount | userId and instanceId | Average, Maximum, and Minimum |