AWS - DynamoDB
Why does DynamoDB Streams retain records for only 24 hours, and what is a best practice to handle this limitation?
Why does DynamoDB Streams retain records for only 24 hours, and what is a best practice to handle this limitation?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand retention reason
Streams retain data for 24 hours to control storage costs and resource usage.Step 2: Identify best practice
Applications should process and archive stream records within this window to avoid data loss.Final Answer:
To limit storage costs; best practice is to process and archive records promptly -> Option BQuick Check:
24-hour retention = cost control + prompt processing [OK]
Quick Trick: Process streams quickly to avoid losing data after 24 hours [OK]
Common Mistakes:
MISTAKES- Thinking retention is for performance
- Confusing retention with consistency
- Ignoring need to archive data
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