Amazon DynamoDB
Amazon DynamoDB is a fast and flexible NoSQL database service that provides consistent, single-digit millisecond latency at any scale. For more details see here.
The Sumo App for Amazon DynamoDB is a unified logs and metrics (ULM) App which provides operational insights into your DynamoDB solution. The App includes Dashboards that allow you to monitor key metrics, view the throttle events, errors, latency, and help you plan the capacity of your DynamoDB solution.