Supported metrics for Microsoft.DocumentDB/mongoClusters

The following table lists the metrics available for the Microsoft.DocumentDB/mongoClusters resource type.

Table headings

Metric - The metric display name as it appears in the Azure portal.
Name in Rest API - Metric name as referred to in the REST API.
Unit - Unit of measure.
Aggregation - The default aggregation type. Valid values: Average, Minimum, Maximum, Total, Count.
Dimensions - Dimensions available for the metric.
Time Grains - Intervals at which the metric is sampled. For example, PT1M indicates that the metric is sampled every minute, PT30M every 30 minutes, PT1H every hour, and so on.
DS Export- Whether the metric is exportable to Azure Monitor Logs via Diagnostic Settings.

For information on exporting metrics, see - Metrics export using data collection rules and Create diagnostic settings in Azure Monitor.

For information on metric retention, see Azure Monitor Metrics overview.

For a list of supported logs, see Supported log categories - Microsoft.DocumentDB/mongoClusters

Category: Latency

Metric	Name in REST API	Unit	Aggregation	Dimensions	Time Grains	DS Export
Mongo request duration The end-to-end duration in milliseconds of client Mongo DB requests handled by the Mongo cluster. Updated every 60 seconds.	MongoRequestDurationMs	Milliseconds	Average, Count, Maximum, Minimum, Total (Sum)	Authentication, CollectionName, DatabaseName, ErrorCode, Operation, Protocol, ServerName, StatusCode, StatusCodeClass, StatusText	PT1M	Yes

Category: Saturation

Metric	Name in REST API	Unit	Aggregation	Dimensions	Time Grains	DS Export
Autoscale Utilization percent Percent Autoscale utilization	AutoscaleUtilizationPercent	Percent	Average, Maximum, Minimum	<none>	PT1M	No
Committed Memory percent Percentage of Commit Memory Limit allocated by applications on node	CommittedMemoryPercent	Percent	Average, Maximum, Minimum	ServerName	PT1M	No
CPU percent Percent CPU utilization on node	CpuPercent	Percent	Average, Maximum, Minimum	ServerName	PT1M	No
Memory percent Percent memory utilization on node	MemoryPercent	Percent	Average, Maximum, Minimum	ServerName	PT1M	No
Storage percent Percent of available storage used on node	StoragePercent	Percent	Average, Maximum, Minimum	ServerName	PT1M	No
Storage used Quantity of available storage used on node	StorageUsed	Bytes	Average, Maximum, Minimum	ServerName	PT1M	No

Category: Traffic

Metric	Name in REST API	Unit	Aggregation	Dimensions	Time Grains	DS Export
IOPS Disk IO operations per second on node	IOPS	Count	Average, Maximum, Minimum	ServerName	PT1M	Yes

Next steps

• Read about metrics in Azure Monitor
• Metrics export using data collection rules
• Create alerts on metrics
• Export metrics to storage, Event Hub, or Log Analytics