[Solved] You want to implement a retry mechanism for DynamoDB writes that retries up to 3 times with exponential backoff when a throttling... Which approach correctly combines error handling and retries? | DynamoDB

DynamoDB - with AWS SDK

You want to implement a retry mechanism for DynamoDB writes that retries up to 3 times with exponential backoff when a throttling error occurs. Which approach correctly combines error handling and retries?

AUse a loop with try-except catching throttling errors, sleep doubling wait time each retry, stop after 3 attempts

BCall put_item once, then retry infinitely without delay on any error

CIgnore errors and assume writes always succeed

DUse try-except but do not check error codes before retrying

Step-by-Step Solution

Solution:

Step 1: Understand retry with exponential backoff
Retries should be limited in number and wait time should increase to reduce load.
Step 2: Combine error handling and retry logic
Use a loop with try-except to catch throttling errors, sleep with increasing delay, and stop after max retries.
Final Answer:
Use a loop with try-except catching throttling errors, sleep doubling wait time each retry, stop after 3 attempts -> Option A
Quick Check:
Retry loop + exponential backoff + error check = Use a loop with try-except catching throttling errors, sleep doubling wait time each retry, stop after 3 attempts [OK]

Quick Trick: Retry with limited attempts and increasing delay on throttling [OK]

Common Mistakes:

MISTAKES

Retrying infinitely without delay
Not checking error codes before retrying
Ignoring errors completely

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More DynamoDB Quizzes

Which approach correctly combines error handling and retries?

Step 1: Understand retry with exponential backoff

Step 2: Combine error handling and retry logic

Final Answer:

Quick Check:

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