DBS-C01 · Question #105
A database specialist needs to review and optimize an Amazon DynamoDB table that is experiencing performance issues. A thorough investigation by the database specialist reveals that the partition…
The correct answer is A. Use Amazon EMR to export the data from the current DynamoDB table to Amazon S3. DynamoDB to S3 is possible by EMR, AWS Glue, or AWS Data Pipeline. https://aws.amazon.com/premiumsupport/knowledge-center/back-up-dynamodb-s3/
Question
A database specialist needs to review and optimize an Amazon DynamoDB table that is experiencing performance issues. A thorough investigation by the database specialist reveals that the partition key is causing hot partitions, so a new partition key is created. The database specialist must effectively apply this new partition key to all existing and new data. How can this solution be implemented?
Options
- AUse Amazon EMR to export the data from the current DynamoDB table to Amazon S3.
- BUse AWS DMS to copy the data from the current DynamoDB table to Amazon S3.
- CUse the AWS CLI to update the DynamoDB table and modify the partition key.
- DUse the AWS CLI to back up the DynamoDB table.
How the community answered
(29 responses)- A45% (13)
- B7% (2)
- C31% (9)
- D17% (5)
Explanation
DynamoDB to S3 is possible by EMR, AWS Glue, or AWS Data Pipeline. https://aws.amazon.com/premiumsupport/knowledge-center/back-up-dynamodb-s3/
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