Amazon DynamoDB doesn’t provide inbuild capabilities to auto tune throughput based on Dynamic Load. It provide API to increase or Decrease throughput. Customers are being c
Jeff Bar recently wrote a blog in AWS official blog: "Auto Scale DynamoDB With Dynamic DynamoDB":
https://aws.amazon.com/blogs/aws/auto-scale-dynamodb-with-dynamic-dynamodb/
He introduced Dynamic DynamoDB, an open source tool built by independent developer to handle this automatically with CloudFormation template.