DynamoDB - Cost Optimization and Monitoring
A developer tries to buy Reserved Capacity using a DynamoDB API call but gets an error. What is the likely cause?
A developer tries to buy Reserved Capacity using a DynamoDB API call but gets an error. What is the likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check how Reserved Capacity is purchased
Reserved Capacity is bought only through AWS Console or CLI, not through DynamoDB API calls.Step 2: Understand error cause
Trying to buy it via API results in error because the API does not support this operation.Final Answer:
Reserved Capacity cannot be purchased via API calls. -> Option BQuick Check:
Reserved Capacity purchase method = Console/CLI only [OK]
Quick Trick: Reserved Capacity purchase via API causes error [OK]
Common Mistakes:
MISTAKES- Assuming API calls can buy Reserved Capacity
- Blaming syntax errors without checking purchase method
- Confusing Reserved Capacity with table modes
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