Amazon Managed Service for Apache Flink is a fully managed service that makes it easy to build, deploy, and run applications that use Apache Flink. Apache Flink is an open-source framework and engine for processing data streams. With Amazon Managed Service for Apache Flink, you don't need to spend time setting up, scaling, and managing any servers, so you can focus on developing your applications. It's a reliable, scalable, and secure environment for streaming applications, which can easily handle real-time analytics use cases, and it integrates with popular open-source frameworks.