Microservices - Real-World Architecture Case Studies
Netflix wants to add a new microservice that depends on multiple existing services. What design pattern should be used to avoid cascading failures?
Netflix wants to add a new microservice that depends on multiple existing services. What design pattern should be used to avoid cascading failures?
hard📝 Trade-off Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand cascading failure risks
Calling multiple services synchronously can cause failures to cascade if one service fails.Step 2: Apply Hystrix pattern
Hystrix circuit breakers with fallback methods prevent cascading failures by isolating faults and providing alternatives.Final Answer:
Use Hystrix circuit breakers with fallback methods -> Option AQuick Check:
Cascading failure prevention = Hystrix with fallback [OK]
Quick Trick: Circuit breakers with fallback stop failure chains [OK]
Common Mistakes:
- Making direct calls without fallback
- Disabling service registry
- Switching to monolith instead of microservices
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