Metrics Collection Service Description The Metrics Collection Service is responsible for collecting, aggregating, and normalizing telemetry data from cloud infrastructure, platforms, and deployed workloads. It serves as the foundational data source for observability, capturing quantitative signals such as performance, utilization, and health indicators. This service continuously gathers metrics from AWS-managed services, compute resources, and application components, making the data available for visualization and alert evaluation. Operational Role • Ingests real-time and historical metrics • Provides a consistent metrics backbone • Enables downstream analysis and alerting IAM Context • Read-only access to metrics and telemetry APIs • Permission to ingest or query metrics data • No rights to modify workloads or infrastructure