Microservices - Resilience Patterns
Why is exponential backoff preferred over fixed delay retries in microservices communication?
Why is exponential backoff preferred over fixed delay retries in microservices communication?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Compare fixed delay and exponential backoff
Fixed delay retries use the same wait time, which can cause congestion if many retries happen simultaneously.Step 2: Understand exponential backoff advantage
Exponential backoff increases wait times after each failure, reducing retry frequency and network congestion.Final Answer:
Because it reduces network congestion by increasing wait times after failures -> Option DQuick Check:
Exponential backoff reduces congestion better than fixed delay [OK]
Quick Trick: Exponential backoff increases delay to reduce congestion [OK]
Common Mistakes:
MISTAKES- Thinking retries happen immediately
- Assuming retries never stop
- Confusing fixed delay with exponential backoff
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