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The following table lists the metrics available for the Microsoft.EventGrid/namespaces 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.
- Advanced platform metrics - A premium, paid tier of platform metrics in Azure Monitor that provide more granular observability for Azure resources.
- 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,
PT1Mindicates that the metric is sampled every minute,PT30Mevery 30 minutes,PT1Hevery hour, and so on. - DS Export -S 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.EventGrid/namespaces
| Metric | Name in REST API | Advanced platform metrics | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|---|
| Acknowledge Operations Latency The observed latency in milliseconds for acknowledge events operation. |
AcknowledgeLatencyInMilliseconds |
No | MilliSeconds | Average | Topic, EventSubscriptionName |
PT1M | No |
| Dead Lettered Events Total dead lettered events matching to this event subscription. |
DeadLetteredCount |
No | Count | Total (Sum) | Topic, EventSubscriptionName, DeadLetterReason |
PT1M | No |
| Dropped Events Total dropped events matching to this event subscription. |
DroppedEventCount |
No | Count | Total (Sum) | Topic, EventSubscriptionName, DropReason |
PT1M | No |
| Failed Acknowledged Events The number of events for which acknowledgments from clients failed. |
FailedAcknowledgedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName, Error, ErrorType |
PT1M | No |
| Failed Publish Events The number of events that weren't accepted by Event Grid. This count excludes events that were published but failed to reach Event Grid due to a network issue, for example. |
FailedPublishedEvents |
No | Count | Total (Sum) | Topic, Error, ErrorType |
PT1M | No |
| Failed Received Events The number of events that were requested by clients but weren't delivered successfully by Event Grid. |
FailedReceivedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName, Error, ErrorType |
PT1M | No |
| Failed Released Events The number of events for which release failed. |
FailedReleasedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName, Error, ErrorType |
PT1M | No |
| Matched Events Total events matched to this event subscription. |
MatchedEventCount |
No | Count | Total (Sum) | Topic, EventSubscriptionName |
PT1M | No |
| MQTT: Connections The number of active connections in the namespace. |
Mqtt.Connections |
No | Count | Total (Sum) | Protocol |
PT1M | Yes |
| MQTT: Dropped Sessions The number of dropped sessions by the namespace. |
Mqtt.DroppedSessions |
No | Count | Total (Sum) | DropReason |
PT1M | Yes |
| MQTT: Expired Retained Messages The number of expired retained messages by the namespace. |
Mqtt.ExpiredRetainedMessages |
No | Count | Total (Sum) | <none> | PT1M | Yes |
| MQTT: Failed Published Messages The number of MQTT messages that failed to be published into the namespace. |
Mqtt.FailedPublishedMessages |
No | Count | Total (Sum) | QoS, Protocol, Error, Retain |
PT1M | Yes |
| MQTT: Failed Routed Messages The number of failed routed messages by the namespace. |
Mqtt.FailedRoutedMessages |
No | Count | Total (Sum) | Error |
PT1M | Yes |
| MQTT: Failed Subscription Operations The number of failed subscription operations (Subscribe, Unsubscribe). This metric is incremented for every topic filter within a subscription request. |
Mqtt.FailedSubscriptionOperations |
No | Count | Total (Sum) | Protocol, OperationType, Error |
PT1M | Yes |
| MQTT: Failed Webhook Authentication Requests The number of failed authentication requests to the webhook |
Mqtt.FailedWebhookAuthenticationRequests |
No | Count | Total (Sum) | StatusCode, Error |
PT1M | No |
| MQTT: Request Count The number of MQTT requests. |
Mqtt.RequestCount |
No | Count | Total (Sum) | OperationType, Protocol, Error, Result |
PT1M | Yes |
| MQTT: Retained Messages Count The number of retained messages by the namespace. |
Mqtt.RetainedMessagesCount |
No | Count | Average | <none> | PT1M | Yes |
| MQTT: Retained Messages Size The size of retained messages by the namespace. |
Mqtt.RetainedMessagesSize |
No | Bytes | Average | <none> | PT1M | Yes |
| MQTT: Successful Connect Latency The observed latency in milliseconds for successful MQTT connects. |
Mqtt.SuccessfulConnectLatencyInMilliseconds |
No | MilliSeconds | Average | Protocol |
PT1M | Yes |
| MQTT: Successful Delivered Messages The number of messages delivered by the namespace. There are no failures for this operation. |
Mqtt.SuccessfulDeliveredMessages |
No | Count | Total (Sum) | QoS, Protocol, Retain |
PT1M | Yes |
| MQTT: Successful Published Messages The number of MQTT messages that were published successfully into the namespace. |
Mqtt.SuccessfulPublishedMessages |
No | Count | Total (Sum) | QoS, Protocol, Retain |
PT1M | Yes |
| MQTT: Successful Publish Latency The observed latency in milliseconds for successful MQTT publishes. |
Mqtt.SuccessfulPublishLatencyInMilliseconds |
No | MilliSeconds | Average | QoS, Protocol, Retain |
PT1M | Yes |
| MQTT: Successful Routed Messages The number of successful routed messages by the namespace. |
Mqtt.SuccessfulRoutedMessages |
No | Count | Total (Sum) | <none> | PT1M | Yes |
| MQTT: Successful Subscription Operations The number of successful subscription operations (Subscribe, Unsubscribe). This metric is incremented for every topic filter within a subscription request. |
Mqtt.SuccessfulSubscriptionOperations |
No | Count | Total (Sum) | Protocol, OperationType |
PT1M | Yes |
| MQTT: Successful Webhook Authentication Requests The number of successful authentication requests to the webhook |
Mqtt.SuccessfulWebhookAuthenticationRequests |
No | Count | Total (Sum) | Decision |
PT1M | No |
| MQTT: Throttling Enforcements The number of times Event Grid throttled a request because it exceeded the limit. |
Mqtt.ThrottlingEnforcements |
No | Count | Total (Sum) | ThrottleType |
PT1M | Yes |
| MQTT: Throughput The number of bytes published to or delivered by the namespace. |
Mqtt.Throughput |
No | Bytes | Total (Sum) | Direction |
PT1M | Yes |
| Namespace Throughput Units The current throughput units allocated to the namespace. |
NamespaceThroughputUnits |
No | Count | Maximum | <none> | PT1M | Yes |
| Publish Operations Latency The observed latency in milliseconds for publish events operation. |
PublishLatencyInMilliseconds |
No | MilliSeconds | Average | Topic |
PT1M | No |
| Receive Operations Latency The observed latency in milliseconds for receive events operation. |
ReceiveLatencyInMilliseconds |
No | MilliSeconds | Average | Topic, EventSubscriptionName |
PT1M | No |
| Reject Operations Latency The observed latency in milliseconds for reject events operation. |
RejectLatencyInMilliseconds |
No | MilliSeconds | Average | Topic, EventSubscriptionName |
PT1M | No |
| Successful Acknowledged Events The number of events for which delivery was successfully acknowledged by clients. |
SuccessfulAcknowledgedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName |
PT1M | No |
| Successful Publish Events The number of events published successfully to a topic or topic space within a namespace. |
SuccessfulPublishedEvents |
No | Count | Total (Sum) | Topic |
PT1M | No |
| Successful Received Events The total number of events that were successfully returned to (received by) clients by Event Grid. |
SuccessfulReceivedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName |
PT1M | No |
| Successful Released Events The number of events that were released successfully by queue subscriber clients. |
SuccessfulReleasedEvents |
No | Count | Total (Sum) | Topic, EventSubscriptionName |
PT1M | No |
| Unmatched Events Total events not matching any of the event subscriptions for this topic. |
UnmatchedEventCount |
No | Count | Total (Sum) | Topic |
PT1M | No |