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Architecture World 2 · Right Database · Stage 2

Survive the Zone

Availability Zone b goes dark at 14:02. Watch which deployment keeps writing, which keeps reading, and how long the application waits.

  • Multi-AZ DB instance
  • Multi-AZ DB cluster
  • Read replicas
  • RDS Proxy
  • DNS caching
Domain
Core architecture
World
Architecture World 2: Right Database (Associate)
Game type
Fleet clock: Choose how a database fails over, then play the outage.
Time
About 25 minutes on a first attempt (estimated)
Exam guides
  • SAA-C03Task 2.2: Design highly available and/or fault-tolerant architectures; Task 3.3: Determine high-performing database solutions
  • SOA-C03Skill 2.2.2: Configure fault-tolerant systems (for example, Multi-AZ deployments); Skill 1.3.5: Monitor Amazon RDS metrics (for example, Amazon RDS Performance Insights, CloudWatch alarms) and modify configurations to increase performance efficiency (for example, Performance Insights proactive recommendations, RDS Proxy)
  • SAP-C02Task 2.4: Design a strategy to meet reliability requirements; Task 3.4: Determine a strategy to improve reliability
  • DOP-C02Task 3.1: Implement highly available solutions to meet resilience and business requirements