AWS SAP-C02 · Question 36 · Domain 2.4: Reliability
A microservices architecture uses synchronous API calls between services. When a downstream service experiences latency, upstream services exhaust their thread pools, causing cascading failures. Which architectural pattern BEST prevents this?
Answer options:
Implement the Circuit Breaker pattern.
Increase the timeout values on all API calls.
Use AWS Auto Scaling to add more instances to the upstream service.
Implement the Strangler Fig pattern.
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