[Solved] A DynamoDB table has a provisioned write capacity of 20 units.... How does burst capacity affect this scenario? | DynamoDB

DynamoDB - Access Patterns and Query Optimization

A DynamoDB table has a provisioned write capacity of 20 units. It was idle for 10 minutes, then suddenly receives 50 write requests per second for 1 minute. How does burst capacity affect this scenario?

ABurst capacity allows some requests above 20 units to succeed temporarily

BBurst capacity automatically increases provisioned capacity to 50 units

CBurst capacity allows all 50 requests to succeed without throttling

DBurst capacity does not apply to write requests

Step-by-Step Solution

Solution:

Step 1: Understand burst capacity accumulation
Idle time accumulates unused write capacity credits that can be used in bursts.
Step 2: Apply burst capacity during spike
During the spike, burst capacity allows handling some requests above provisioned 20 units temporarily, but not all 50.
Final Answer:
Burst capacity allows some requests above 20 units to succeed temporarily -> Option A
Quick Check:
Burst capacity = temporary extra writes above provisioned [OK]

Quick Trick: Burst capacity helps some writes above provisioned temporarily [OK]

Common Mistakes:

MISTAKES

Assuming burst capacity handles all spike requests fully
Thinking burst capacity increases provisioned throughput permanently
Believing burst capacity applies only to reads

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More DynamoDB Quizzes

How does burst capacity affect this scenario?

Step 1: Understand burst capacity accumulation

Step 2: Apply burst capacity during spike

Final Answer:

Quick Check:

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