Serverless, fully managed, MongoDB API-compatible document database service- Amazon DocumentDB - AWS

Amazon DocumentDB is a serverless, fully managed, MongoDB API-compatible document database service. Its serverless configuration automatically scales capacity up or down in fine grained increments based on your application’s demands, offering up to 90% cost savings compared to provisioning for peak capacity. As a fully managed database, Amazon DocumentDB removes the undifferentiated heavy lifting of database management tasks such as patching, backups and monitoring. Amazon DocumentDB provides improved resilience and low latency with Global Clusters, and leading security and compliance built to satisfy the requirements of high-sensitivity organizations such as those in the banking, healthcare, and public sectors. It offers low total cost of ownership (TCO) with transparent pricing and no hidden costs. Amazon DocumentDB memory-optimized instances offer up to 43% cost savings compared to other popular document databases. I/O-Optimized provides improved price-performance with up to 40% cost savings for I/O-intensive applications. Amazon DocumentDB is compatible with MongoDB APIs and drivers so you can migrate applications, typically without application code changes or downtime.