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Which DynamoDB error is most commonly handled by implementing retries?

easy🧠 Conceptual Q2 of 15
DynamoDB - with AWS SDK
Which DynamoDB error is most commonly handled by implementing retries?
AResourceNotFoundException
BInternalServerError
CValidationException
DProvisionedThroughputExceededException
Step-by-Step Solution
Solution:
  1. Step 1: Identify common retry error in DynamoDB

    ProvisionedThroughputExceededException happens when request rate exceeds limits.
  2. Step 2: Confirm retry suitability

    This error is temporary and can be resolved by retrying after delay.
  3. Final Answer:

    ProvisionedThroughputExceededException -> Option D
  4. Quick Check:

    Common retry error = ProvisionedThroughputExceededException [OK]
Quick Trick: Retry on throughput exceeded errors to avoid failures [OK]
Common Mistakes:
MISTAKES
  • Retrying on ResourceNotFoundException which is permanent
  • Retrying on ValidationException which is a client error
  • Assuming InternalServerError always needs retry

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