2014-08-12 Apache REEF Apache REEF (Retainable Evaluator Execution Framework) is a scale-out computing fabric that eases the development of Big Data applications on top of resource managers such as Apache YARN and Mesos. Apache REEF (Retainable Evaluator Execution Framework) is a development framework that provides a control-plane for scheduling and coordinating task-level (data-plane) work on cluster resources obtained from a Resource Manager. REEF provides mechanisms that facilitate resource reuse for data caching, and state management abstractions that greatly ease the development of elastic data processing workflows on cloud platforms that support a Resource Manager service. Java C# C++ 0.16.0 2017-08-11 0.16.0