Syllaro Academy

AWS Certified CloudOps Engineer - Associate

Composite Alarms and Alarm Actions

Turn a wall of individual alarms into one signal with composite alarm rule expressions and action suppression, and make alarms fix things instead of just reporting them with EC2, Auto Scaling, Lambda, and Systems Manager actions.

Advanced 22 minutes 5 Learning Objectives
  1. Write a composite alarm rule expression using ALARM, OK, INSUFFICIENT_DATA, AND, OR, and NOT
  2. Explain which actions a composite alarm can and cannot perform
  3. Configure an actions suppressor with WaitPeriod and ExtensionPeriod to silence expected alarms during maintenance
  4. Choose between the reboot and recover EC2 alarm actions from the status check that failed
  5. Identify the prerequisites and constraints of each alarm action type