Apache Flink is an open source stream processing framework with powerful stream- and batch-processing capabilities. The Flink committers use IntelliJ IDEA to develop the Flink codebase. We recommend ...

DataFusion is an extensible query engine written in Rust that uses Apache Arrow as its in-memory format. "Out of the box," DataFusion offers [SQL] and [Dataframe] APIs, excellent performance, built-in ...