CloudWatch Alarms Operation Flow

CloudWatch Alarms Operation Flow An architecture diagram generated by Archify. AWS Service Metrics · EC2 · EKS · RDS · Lambda · Metric Sources AWS Service Metrics EC2 · EKS · RDS · Lambda Custom Metrics · application metrics · Metric Sources Custom Metrics application metrics Metrics · store and query · Amazon CloudWatch Metrics store and query Metrics Math · derived metrics · Amazon CloudWatch Metrics Math derived metrics Anomaly Detection · ML-based expected band · Amazon CloudWatch Anomaly Detection ML-based expected band Alarms · threshold / band check · Amazon CloudWatch Alarms threshold / band check SNS Topic · publish notification · Alarm Actions SNS Topic publish notification Auto Scaling · run scaling policy · Alarm Actions Auto Scaling run scaling policy EC2 Actions · reboot · recover · stop · Alarm Actions EC2 Actions reboot · recover · stop Systems Manager · create an OpsItem · Alarm Actions Systems Manager create an OpsItem Email · SMS · on-call notification · Notification Channels Email · SMS on-call notification Lambda · HTTP/HTTPS · automation · webhook · Notification Channels Lambda · HTTP/HTTPS automation · webhook threshold check expression result band breach publish notification Metric Sources Amazon CloudWatch Alarm Actions Notification Channels

Action scope

  • • Direct SSM path: OpsItem, not an Automation runbook
  • • Anomaly alarms cannot scale; metric math cannot directly mutate EC2