Lab 4.3: CloudWatch Alarms + SNS
Skills covered: 4.1.5, 4.2.5
Mục tiêu
- CloudWatch Alarms, SNS notifications, composite alarms
Bước 1: SNS Topic
- Create
AlertsTopic, subscribe email, confirm
Bước 2: Lambda Error Alarm
- Metric: Lambda Errors > 5 trong 5 min → SNS
Bước 3: DynamoDB Throttle Alarm
- Metric: ThrottledRequests > 0 trong 1 min → SNS
Bước 4: Composite Alarm
- Lambda Error AND DynamoDB Throttle → only alert khi BOTH true
Kiểm tra kiến thức