DynamoDB - Cost Optimization and Monitoring
A developer set a DynamoDB table to provisioned mode with 0 read capacity units by mistake. What will happen when the application tries to read data?
A developer set a DynamoDB table to provisioned mode with 0 read capacity units by mistake. What will happen when the application tries to read data?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand zero provisioned capacity effect
Setting read capacity to zero means no read units are available, so no reads can be processed.Step 2: Identify DynamoDB behavior on zero capacity
DynamoDB does not auto-increase capacity or switch modes; read requests will be throttled and fail.Final Answer:
All read requests will be throttled and fail -> Option BQuick Check:
Zero provisioned capacity = throttled requests [OK]
Quick Trick: Provisioned capacity zero means no allowed requests [OK]
Common Mistakes:
MISTAKES- Assuming auto-scaling or mode switching
- Thinking reads succeed with delay
- Believing DynamoDB ignores zero capacity
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