Burst capacity in DynamoDB - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is burst capacity in DynamoDB?

Burst capacity is extra read or write throughput that DynamoDB temporarily allows beyond your provisioned capacity to handle sudden traffic spikes.

intermediate

How does DynamoDB accumulate burst capacity?

DynamoDB accumulates burst capacity when your usage is below your provisioned throughput, saving unused capacity as credits for future bursts.

beginner

Why is burst capacity useful in DynamoDB?

It helps your application handle sudden increases in traffic without throttling, improving performance during short spikes.

intermediate

What happens when burst capacity is exhausted in DynamoDB?

When burst capacity runs out, DynamoDB throttles requests that exceed your provisioned throughput until capacity is available again.

beginner

Can burst capacity be used indefinitely in DynamoDB?

No, burst capacity is limited and only lasts for short periods. It depends on how much unused capacity was saved previously.

What does burst capacity in DynamoDB allow you to do?

A Temporarily exceed provisioned throughput during traffic spikes

B Permanently increase your table size

C Automatically backup your data

D Encrypt your data at rest

Burst capacity lets you temporarily use more throughput than provisioned to handle sudden traffic increases.

How is burst capacity earned in DynamoDB?

A By enabling encryption

B By paying extra fees

C By increasing your table's read capacity units

D By using less than your provisioned throughput

Unused throughput below your provisioned capacity accumulates as burst capacity credits.

What happens if your application uses more throughput than provisioned and burst capacity is empty?

A Data is lost

B DynamoDB automatically increases capacity

C Requests are throttled

D The table is deleted

Requests exceeding capacity without burst credits are throttled to protect the database.

Burst capacity in DynamoDB is best described as:

A Temporary extra throughput credits

B A backup feature

C A permanent increase in throughput

D A security setting

Burst capacity provides temporary extra throughput credits for short traffic spikes.

Which of the following affects how much burst capacity you have?

A The number of indexes on your table

B How much unused throughput you have saved

C The size of your items

D The encryption method used

Burst capacity depends on how much unused throughput you have accumulated as credits.

Explain what burst capacity is in DynamoDB and why it is important.

Think about how DynamoDB manages sudden increases in traffic.

Describe what happens when your DynamoDB table uses up all its burst capacity.

Consider what DynamoDB does to protect itself from overload.