CloudWatch metrics published by canaries - Amazon CloudWatch
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

CloudWatch metrics published by canaries

Canaries publish the following metrics to CloudWatch in the CloudWatchSynthetics namespace. For more information about viewing CloudWatch metrics, see View available metrics.

Metric Description

SuccessPercent

The percentage of the runs of this canary that succeed and find no failures.

Valid Dimensions: CanaryName

Valid Statistic: Average

Units: Percent

Duration

The duration in milliseconds of the canary run.

Valid Dimensions: CanaryName

Valid Statistic: Average

Units: Milliseconds

Errors

The number of times the canary failed to run its full script.

Valid Dimensions: CanaryName

Valid Statistic: Sum

2xx

The number of network requests performed by the canary that returned OK responses, with response codes between 200 and 299.

This metric is reported for UI canaries that use runtime version syn-nodejs-2.0 or later, and is reported for API canaries that use runtime version syn-nodejs-2.2 or later.

Valid Dimensions: CanaryName

Valid Statistic: Sum

Units: Count

4xx

The number of network requests performed by the canary that returned Error responses, with response codes between 400 and 499.

This metric is reported for UI canaries that use runtime version syn-nodejs-2.0 or later, and is reported for API canaries that use runtime version syn-nodejs-2.2 or later.

Valid Dimensions: CanaryName

Valid Statistic: Sum

Units: Count

5xx

The number of network requests performed by the canary that returned Fault responses, with response codes between 500 and 599.

This metric is reported for UI canaries that use runtime version syn-nodejs-2.0 or later, and is reported for API canaries that use runtime version syn-nodejs-2.2 or later.

Valid Dimensions: CanaryName

Valid Statistic: Sum

Units: Count

Failed

The number of canary runs that failed to execute. These failures are related to the canary itself.

Valid Dimensions: CanaryName

Valid Statistic: Sum

Units: Count

Failed requests

The number of HTTP requests executed by the canary on the target website that failed with no response.

Valid Dimensions: CanaryName

Valid Statistic: Sum

Units: Count

VisualMonitoringSuccessPercent

The percentage of visual comparisons that successfully matched the baseline screenshots during a canary run.

Valid Dimensions: CanaryName

Valid Statistic: Average

Units: Percent

VisualMonitoringTotalComparisons

The total number of visual comparisons that happened during a canary run.

Valid Dimensions: CanaryName

Units: Count
Note

Canaries that use either the executeStep() or executeHttpStep() methods from the Synthetics library also publish SuccessPercent and Duration metrics with the dimensions CanaryName and StepName for each step.