AWS Certified CloudOps Engineer - Associate

Deploying Updates to Live Workloads

The AWS settings that produce each deployment strategy: Auto Scaling instance refresh percentages and rollback, the three CloudFormation update policies for an Auto Scaling group, ECS rolling and blue/green deployments with bake time and circuit breakers, Lambda weighted aliases, and managed RDS blue/green switchover.

Advanced 32 minutes 8 Learning Objectives
  1. Predict how many instances an instance refresh replaces at a time from the minimum and maximum healthy percentages
  2. Configure checkpoints, skip matching, and auto rollback on an instance refresh, and name the conditions that make rollback unavailable
  3. Choose between the AutoScalingRollingUpdate, AutoScalingReplacingUpdate, and AutoScalingInstanceRefresh update policies
  4. Calculate ECS rolling deployment task counts from minimumHealthyPercent and maximumPercent, and diagnose a deployment that cannot start or stop tasks
  5. Explain how the ECS deployment circuit breaker counts failures and which deployment it rolls back to
  6. Set up an ECS blue/green, linear, or canary deployment with bake time and lifecycle hooks
  7. Shift Lambda traffic between versions with a weighted alias, and identify which version served a request
  8. Describe an RDS blue/green switchover and what happens to the old environment