Metrics supported by Azure Event Grid

This article provides lists of Event Grid metrics that are categorized by namespaces.

System topics

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
AdvancedFilterEvaluationCount	Yes	Advanced Filter Evaluations	Count	Total	Total advanced filters evaluated across event subscriptions for this topic.	EventSubscriptionName
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	DeadLetterReason, EventSubscriptionName
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Error, ErrorType, EventSubscriptionName
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	EventSubscriptionName
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	EventSubscriptionName
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	DropReason, EventSubscriptionName
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	EventSubscriptionName
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	No Dimensions
PublishSuccessLatencyInMs	Yes	Publish Success Latency	Milliseconds	Total	Publish success latency in milliseconds	No Dimensions
UnmatchedEventCount	Yes	Unmatched Events	Count	Total	Total events not matching any of the event subscriptions for this topic	No Dimensions

Custom topics

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
AdvancedFilterEvaluationCount	Yes	Advanced Filter Evaluations	Count	Total	Total advanced filters evaluated across event subscriptions for this topic.	EventSubscriptionName
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	DeadLetterReason, EventSubscriptionName
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Error, ErrorType, EventSubscriptionName
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	EventSubscriptionName
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	EventSubscriptionName
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	DropReason, EventSubscriptionName
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	EventSubscriptionName
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	No Dimensions
PublishSuccessLatencyInMs	Yes	Publish Success Latency	Milliseconds	Total	Publish success latency in milliseconds	No Dimensions
UnmatchedEventCount	Yes	Unmatched Events	Count	Total	Total events not matching any of the event subscriptions for this topic	No Dimensions

Domains

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
AdvancedFilterEvaluationCount	Yes	Advanced Filter Evaluations	Count	Total	Total advanced filters evaluated across event subscriptions for this topic.	Topic, EventSubscriptionName, DomainEventSubscriptionName
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	Topic, EventSubscriptionName, DomainEventSubscriptionName, DeadLetterReason
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Topic, EventSubscriptionName, DomainEventSubscriptionName, Error, ErrorType
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	Topic, EventSubscriptionName, DomainEventSubscriptionName
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	Topic, EventSubscriptionName, DomainEventSubscriptionName
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	Topic, EventSubscriptionName, DomainEventSubscriptionName, DropReason
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	Topic, EventSubscriptionName, DomainEventSubscriptionName
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	Topic, ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	Topic
PublishSuccessLatencyInMs	Yes	Publish Success Latency	Milliseconds	Total	Publish success latency in milliseconds	No Dimensions

Event subscriptions

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	DeadLetterReason
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Error, ErrorType
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	No Dimensions
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	No Dimensions
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	DropReason
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	No Dimensions

Extension topics

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	No Dimensions
PublishSuccessLatencyInMs	Yes	Publish Success Latency	Milliseconds	Total	Publish success latency in milliseconds	No Dimensions
UnmatchedEventCount	Yes	Unmatched Events	Count	Total	Total events not matching any of the event subscriptions for this topic	No Dimensions

Partner namespaces

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	DeadLetterReason, EventSubscriptionName
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Error, ErrorType, EventSubscriptionName
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	EventSubscriptionName
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	EventSubscriptionName
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	DropReason, EventSubscriptionName
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	EventSubscriptionName
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	No Dimensions
PublishSuccessLatencyInMs	Yes	Publish Success Latency	Milliseconds	Total	Publish success latency in milliseconds	No Dimensions
UnmatchedEventCount	Yes	Unmatched Events	Count	Total	Total events not matching any of the event subscriptions for this topic	No Dimensions

Partner topics

Metric	Exportable via Diagnostic Settings?	Metric Display Name	Unit	Aggregation Type	Description	Dimensions
AdvancedFilterEvaluationCount	Yes	Advanced Filter Evaluations	Count	Total	Total advanced filters evaluated across event subscriptions for this topic.	EventSubscriptionName
DeadLetteredCount	Yes	Dead Lettered Events	Count	Total	Total dead lettered events matching to this event subscription	DeadLetterReason, EventSubscriptionName
DeliveryAttemptFailCount	No	Delivery Failed Events	Count	Total	Total events failed to deliver to this event subscription	Error, ErrorType, EventSubscriptionName
DeliverySuccessCount	Yes	Delivered Events	Count	Total	Total events delivered to this event subscription	EventSubscriptionName
DestinationProcessingDurationInMs	No	Destination Processing Duration	Milliseconds	Average	Destination processing duration in milliseconds	EventSubscriptionName
DroppedEventCount	Yes	Dropped Events	Count	Total	Total dropped events matching to this event subscription	DropReason, EventSubscriptionName
MatchedEventCount	Yes	Matched Events	Count	Total	Total events matched to this event subscription	EventSubscriptionName
PublishFailCount	Yes	Publish Failed Events	Count	Total	Total events failed to publish to this topic	ErrorType, Error
PublishSuccessCount	Yes	Published Events	Count	Total	Total events published to this topic	No Dimensions
UnmatchedEventCount	Yes	Unmatched Events	Count	Total	Total events not matching any of the event subscriptions for this topic	No Dimensions

Next steps

See the following article: Diagnostic logs