Apache Flink • Apache Flink is seen as the ultimate entry into a real-time data streaming tool that is like a hybrid between Spark and Apache Storm. • According to experts, Spark is believed to provide a batch framework, compared to which there is no support for real-time streaming. • Apache Flink has very big frameworks for both streaming and batch processing. • It also provides Apache beam windowing and redundant settings for users to configure, with Google contributing to enable real-time processing.