Read and write load varies by time of day while the table remains in provisioned mode.
Adjust capacity as consumption changes.
Which setting is most appropriate?
Configure Application Auto Scaling target tracking for the table's provisioned read and write capacity.
Detailed explanation
CDN cache lifetime is not a DynamoDB capacity setting.
CDN cache lifetime is not a DynamoDB capacity setting.
S3 object lifecycle management does not modify DynamoDB provisioned capacity.
S3 object lifecycle management does not modify DynamoDB provisioned capacity.
Target tracking adjusts provisioned capacity toward a target consumed-capacity level.
Target tracking adjusts provisioned capacity toward a target consumed-capacity level.
DNS record count does not control DynamoDB capacity.
DNS record count does not control DynamoDB capacity.
Check official documentation
Compare the following points with the official documentation.
DynamoDB auto scaling with Application Auto Scalingの公式説明を確認する。
What to confirm
オンデマンドモードとプロビジョンド自動スケールを区別できる。
Key points
- Application Auto Scaling
- Consumed capacity
- Target tracking
Notes
- Environment: AWS公式SOA-C03試験ガイドとAWS公式ドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
Provisioned mode
Automatic capacity policies apply to provisioned throughput; on-demand capacity follows a different model.
Feedback control
The consumed-capacity metric provides the feedback used to adjust provisioned throughput.