The team monitors EC2 CPU utilization and sends a notification when a threshold is exceeded.
It needs a service for operational monitoring.
Which AWS service is primarily used?
Amazon CloudWatch provides metrics, logs, alarms, dashboards, and related monitoring capabilities for AWS resources and applications.
Detailed explanation
Artifact provides compliance documents rather than operational resource metrics.
Artifact provides compliance documents rather than operational resource metrics.
Config evaluates resource configuration; standard metric alarms are a CloudWatch function.
Config evaluates resource configuration; standard metric alarms are a CloudWatch function.
GuardDuty focuses on threat detection, not general performance metric alarms.
GuardDuty focuses on threat detection, not general performance metric alarms.
CloudWatch collects and evaluates metrics and can trigger alarms when conditions are met.
CloudWatch collects and evaluates metrics and can trigger alarms when conditions are met.
Check official documentation
Compare the following points with the official documentation.
Amazon CloudWatch User GuideのMetrics、Logs、Alarmsの説明を確認する。
What to confirm
EC2のCPUメトリクスを監視し、CloudWatchアラームでしきい値通知を設定する。
Key points
- CloudWatch
- Metric
- Alarm
Notes
- Environment: AWS公式CloudWatchドキュメントの確認
- Confirm current service capabilities and compliance guidance in the official AWS documentation.
Foundation review
Monitoring loop
Metrics provide observations and alarms turn selected conditions into notifications or actions.
Service boundary
Configuration compliance and threat detection are separate from general performance monitoring.