Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded data streams. Flink has been designed to run in all common cluster environments, perform computations at in-memory speed and at any scale.
It has a streaming processor, which can run both batch and stream programs.
It can process data at lightning fast speed.
APIs available in Java, Scala and Python.
Provides APIs for all the common operations, which is very easy for programmers to use.