Architecture World 3 · Elastic Fleet · Stage 3

Scale on a Signal

A day of bookings on the clock. Set the policy, the warmup and the grace period, and watch the red area between demand and capacity shrink.

  • Target tracking
  • Step and simple scaling
  • Scheduled and predictive scaling
  • Instance warmup and cooldown
  • Health check grace period
  • Lifecycle hooks and warm pools
Domain
Core architecture
World
Architecture World 3: Elastic Fleet (Professional)
Game type
Fleet clock: Choose how a database fails over, then play the outage.
Time
About 30 minutes on a first attempt (estimated)
Exam guides
  • SAA-C03Task 2.1: Design scalable and loosely coupled architectures; Task 3.2: Design high-performing and elastic compute solutions; Task 4.2: Design cost-optimized compute solutions
  • SOA-C03Skill 2.1.1: Configure and manage scaling mechanisms in compute environments; Skill 1.1.3: Configure, identify, and troubleshoot CloudWatch alarms that can invoke AWS services directly or through Amazon EventBridge (for example, by creating composite alarms and identifying their invokable actions)
  • SAP-C02Task 2.4: Design a strategy to meet reliability requirements; Task 3.3: Determine a strategy to improve performance
  • DOP-C02Task 3.2: Implement solutions that are scalable to meet business requirements