Supported CloudWatch metrics
Amazon CloudWatch is a monitoring service for AWS resources. You can use CloudWatch to collect and track metrics, set alarms, and automatically react to changes in your AWS resources.
The AWS/CertificateManager namespace includes the following metrics.
| Metric | Description | Unit | Dimensions |
|---|---|---|---|
DaysToExpiry |
Number of days until a certificate expires. ACM publishes this metric twice per day for every certificate until expiration, and stops publishing it after a certificate expires. | Integer | CertificateArn
|
CertificateIssuanceSuccess |
The number of certificates successfully issued through an ACME endpoint. ACM publishes a value of 1 for each successful issuance and 0 otherwise. | Count | AcmeEndpointArn
|
CertificateIssuanceFailed |
The number of certificate issuance attempts that failed for an ACME endpoint. ACM publishes a value of 1 for each failed issuance and 0 otherwise. | Count | AcmeEndpointArn
|
For more information about CloudWatch metrics, see the following topics: