Apache Flink® is an open-source stream processing framework for distributed, high-performing, always-available, and accurate data streaming applications.

Introduction to Flink


Latest Blog Posts

Apache Flink 1.3.3 Released

The Apache Flink community released the third bugfix version of the Apache Flink 1.3 series.

Apache Flink 1.4.2 Released

The Apache Flink community released the second bugfix version of the Apache Flink 1.4 series.

An Overview of End-to-End Exactly-Once Processing in Apache Flink (with Apache Kafka, too!)
Flink 1.4.0 introduced a new feature that makes it possible to build end-to-end exactly-once applications with Flink and data sources and sinks that support transactions.
Apache Flink 1.4.1 Released

The Apache Flink community released the first bugfix version of the Apache Flink 1.4 series.

Managing Large State in Apache Flink: An Intro to Incremental Checkpointing
Flink 1.3.0 introduced incremental checkpointing, making it possible for applications with large state to generate checkpoints more efficiently.