EventBridge metrics Dimensions for EventBridge metrics

Monitoring Amazon EventBridge

EventBridge sends metrics to Amazon CloudWatch every minute for everything from the number of matched events to the number of times a target is invoked by a rule.

The following video reviews monitoring and auditing EventBridge behavior through CloudWatch:

EventBridge metrics

The Amazon/Events namespace includes the following metrics.

For the metrics that use Count as a unit, Sum and SampleCount tend to be the most useful statistics.

Metrics that specify only the RuleName dimension refer to the default event bus. Metrics that specify both the EventBusName and RuleName dimensions refer to a custom event bus.

Metric	Description	Dimensions	Units
`DeadLetterInvocations`	The number of times a rule’s target isn't invoked in response to an event. This includes invocations that would result in running the same rule again, causing an infinite loop.	RuleName	Count
`Events`	The number of partner events ingested by EventBridge.	EventSourceName	Count
`FailedInvocations`	The number of invocations that failed permanently. This doesn't include invocations that are retried or invocations that succeeded after a retry attempt. It also doesn't count failed invocations that are counted in `DeadLetterInvocations`. Note EventBridge only sends this metric to CloudWatch if it isn't zero.	RuleName	Count
`Invocations`	The number of times a target is invoked by a rule in response to an event. This includes successful and failed invocations, but doesn't include throttled or retried attempts until they fail permanently. It doesn't include `DeadLetterInvocations`. Note EventBridge only sends this metric to CloudWatch if it isn't zero.	None, RuleName	Count
`InvocationAttempts`	Number of times EventBridge attempted invoking a target.	None	Count
`InvocationsCreated`	The total number of invocations created in response to each event. This metric is often used to monitor utilization of the Invocations throttle limit in transactions per second EventBridge service quota.	None	Count
`InvocationsFailedToBeSentToDlq`	The number of invocations that couldn't be moved to a dead-letter queue. Dead-letter queue errors occur due to permissions errors, unavailable resources, or size limits. Note EventBridge only sends this metric to CloudWatch if it isn't zero.	RuleName	Count
`IngestiontoInvocationCompleteLatency`	The time taken from event ingestion to completion of the first successful invocation attempt.	EventBusName, None, RuleName	Milliseconds
`IngestiontoInvocationStartLatency`	The time to process events, measured from when an event is ingested by EventBridge to the first invocation of a target.	EventBusName, None, RuleName	Milliseconds
`InvocationsSentToDlq`	The number of invocations that are moved to a dead-letter queue. Note EventBridge only sends this metric to CloudWatch if it isn't zero.	RuleName	Count
`MatchedEvents`	If EventBusName or EventSourceName is specified, the number of events that matched with any rule. If RuleName is specified, the number of events that matched with a specific rule.	EventBusName, EventSourceName, RuleName	Count
`RetryInvocationAttempts`	Number of times target invocation has been retried. Note EventBridge only sends this metric to CloudWatch if it isn't zero.	None	Count
`SuccessfulInvocationAttempts`	Number of times target was successfully invoked.	None	Count
`ThrottledRules`	The number of times rule execution was throttled. Invocations for those rules may be delayed. For more information, see Invocations throttle limit in transactions per second in EventBridge quotas.	EventBusName, None, RuleName	Count
`TriggeredRules`	The number of rules that have run and matched with any event. You won't see this metric in CloudWatch until a rule is triggered.	EventBusName, None, RuleName	Count

EventBridge PutEvents metrics

The Amazon/Events namespace includes the following metrics pertaining to the PutEvents API requests.

For the metrics that use Count as a unit, Sum and SampleCount tend to be the most useful statistics.

Metric	Description	Dimensions	Units
`PutEventsApproximateCallCount`	Approximate number of received `PutEvents` requests.	None	Count
`PutEventsApproximateFailedCount`	Approximate number of failed `PutEvents` requests.	None	Count
`PutEventsApproximateSuccessCount`	Approximate number of successful `PutEvents` requests.	None	Count
`PutEventsApproximateThrottledCount`	Number of `PutEvents` requests rejected due to throttling.	None	Count
`PutEventsEntriesCount`	The number of event entries contained in a `PutEvents` request.	None	Count
`PutEventsFailedEntriesCount`	The number of event entries contained in a `PutEvents` request that failed to be ingested.	None	Count
`PutEventsLatency`	The time taken per `PutEvents` request.	None	Milliseconds
`PutEventsRequestSize`	The size of the `PutEvents` request.	None	Bytes

EventBridge PutPartnerEvents metrics

The Amazon/Events namespace includes the following metrics pertaining to the PutPartnerEvents API requests.

Note

EventBridge only includes metrics pertaining to PutPartnerEvents requests in SaaS partner accounts that send events. For more information, see Receiving events from a SaaS partner with Amazon EventBridge

For the metrics that use Count as a unit, Sum and SampleCount tend to be the most useful statistics.

Metric	Description	Dimensions	Units
`PutPartnerEventsApproximateCallCount`	Approximate number of received `PutPartnerEvents` requests.	None	Count
`PutPartnerEventsApproximateFailedCount`	Approximate number of failed `PutPartnerEvents` requests.	None	Count
`PutPartnerEventsApproximateThrottledCount`	Number of `PutPartnerEvents` requests rejected due to throttling.	None	Count
`PutPartnerEventsApproximateSuccessCount`	Approximate number of successful `PutPartnerEvents` requests.	None	Count
`PutPartnerEventsEntriesCount`	The number of event entries contained in a `PutPartnerEvents` request.	None	Count
`PutPartnerEventsFailedEntriesCount`	The number of event entries contained in a `PutPartnerEvents` request that failed to be ingested.	None	Count
`PutPartnerEventsLatency`	The time taken per `PutPartnerEvents` request.	None	Milliseconds

Dimensions for EventBridge metrics

EventBridge metrics have dimensions, or sortable attributes, which are listed below.

Dimension	Description
`EventBusName`	Filters the available metrics by event bus name.
`EventSourceName`	Filters the available metrics by partner event source name.
`RuleName`	Filters the available metrics by rule name.

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