Status: IN
CloudTrail Lake publishes metrics to CloudWatch under the `AWS/CloudTrail` namespace, including HourlyDataIngested (hourly), TotalDataRetained (nightly), TotalStorageBytes, TotalPaidStorageBytes, and HourlyEventsAnalyzed.
Source: entries/2026/03/12/awscloudtrail-latest-userguide-cloudtrail-lake-cloudwatch-metricshtml.md