Couchbase Server is an open source NoSQL database, and it's available in an enterprise edition. It is a scalable, high performance NoSQL database engineered to support AWS. With the enterprise edition, customers can leverage secure cross data center replication and rack awareness to enable high availability with AWS availability zones.

Couchbase Server can be deployed as a distributed cache, as a key / value store, or as a document database. It's easy to scale, it provides consistent low latency at high throughput, and it's always on.

Administrators can add nodes, remove nodes, or rebalance the data without bringing a Couchbase Server deployment down. In fact, it includes a powerful web interface for administrators. It enables them to manage and monitor a Couchbase Server deployment without having to install separate management and monitoring software.

Couchbase customers like Viber have been able to meet scalability and performance requirements during a period of hypergrowth by running Couchbase Server on AWS.