Given a DynamoDB table in provisioned mode with 5 read capacity units and 5 write capacity units, what happens if your application suddenly sends 20 write requests per second?

medium📝 service behavior Q13 of 15

AWS - DynamoDB

ASome write requests are throttled because they exceed the provisioned write capacity.

BAll 20 write requests succeed immediately without throttling.

CDynamoDB automatically increases write capacity to 20 units instantly.

DThe table switches automatically to on-demand mode to handle the load.

Step-by-Step Solution

Solution:

Step 1: Understand provisioned capacity limits
Provisioned mode limits throughput to the set capacity units (5 writes per second here).
Step 2: Analyze effect of exceeding capacity
Sending 20 writes exceeds 5 units, causing throttling of excess requests.
Final Answer:
Some write requests are throttled because they exceed the provisioned write capacity. -> Option A
Quick Check:
Provisioned mode throttles excess requests [OK]

Quick Trick: Provisioned mode throttles requests above set capacity [OK]

Common Mistakes:

Assuming automatic capacity increase in provisioned mode
Thinking on-demand mode applies automatically
Believing all requests always succeed

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More AWS Quizzes

Given a DynamoDB table in provisioned mode with 5 read capacity units and 5 write capacity units, what happens if your application suddenly sends 20 write requests per second?

Step 1: Understand provisioned capacity limits

Step 2: Analyze effect of exceeding capacity

Final Answer:

Quick Check:

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