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How can the timeout pattern be combined with a retry pattern to improve microservice reliability without causing cascading failures?

hard📝 Trade-off Q9 of 15
Microservices - Resilience Patterns
How can the timeout pattern be combined with a retry pattern to improve microservice reliability without causing cascading failures?
ASet a long timeout and retry immediately without delay
BSet a short timeout and limit retries with exponential backoff
CDisable timeout when retrying
DRetry indefinitely without timeout
Step-by-Step Solution
Solution:

  1. Step 1: Understand retry and timeout interaction

    Retries can cause overload if timeout is long or retries are immediate.

  2. Step 2: Use short timeout and exponential backoff

    Short timeout limits wait; exponential backoff spaces retries to reduce load and cascading failures.

  3. Final Answer:

    Set a short timeout and limit retries with exponential backoff -> Option B

  4. Quick Check:

    Short timeout + backoff retries prevent overload [OK]
Quick Trick: Combine short timeout with spaced retries [OK]
Common Mistakes:
MISTAKES
  • Using long timeout with immediate retries
  • Disabling timeout during retries
  • Retrying indefinitely causing overload

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