A DynamoDB table has a provisioned write capacity of 5 units and has been idle for 10 minutes. What happens if a sudden write burst of 20 units occurs?

medium📝 query result Q4 of 15

DynamoDB - Access Patterns and Query Optimization

AThe table automatically increases provisioned capacity to 20 units

BThe table rejects all writes above 5 units immediately

CThe table uses burst capacity to handle the extra 15 units temporarily

DThe table slows down all writes to 5 units per second

Step-by-Step Solution

Solution:

Step 1: Calculate burst capacity availability
Idle time allows accumulation of burst credits equal to unused capacity (5 units * 10 minutes).
Step 2: Apply burst capacity to sudden write burst
The table can temporarily handle writes above provisioned capacity using burst credits.
Final Answer:
The table uses burst capacity to handle the extra 15 units temporarily -> Option C
Quick Check:
Burst capacity handles sudden spikes [OK]

Quick Trick: Idle time builds burst credits for spikes [OK]

Common Mistakes:

MISTAKES

Assuming immediate rejection
Thinking capacity auto-scales instantly
Believing writes slow down automatically

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More DynamoDB Quizzes

A DynamoDB table has a provisioned write capacity of 5 units and has been idle for 10 minutes. What happens if a sudden write burst of 20 units occurs?

Step 1: Calculate burst capacity availability

Step 2: Apply burst capacity to sudden write burst

Final Answer:

Quick Check:

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