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Apache Flink 1.9 Released

The Apache Flink crew announces version 1.9.0:

The Apache Flink project’s goal is to develop a stream processing system to unify and power many forms of real-time and offline data processing applications as well as event-driven applications. In this release, we have made a huge step forward in that effort, by integrating Flink’s stream and batch processing capabilities under a single, unified runtime.

Significant features on this path are batch-style recovery for batch jobs and a preview of the new Blink-based query engine for Table API and SQL queries. We are also excited to announce the availability of the State Processor API, which is one of the most frequently requested features and enables users to read and write savepoints with Flink DataSet jobs. Finally, Flink 1.9 includes a reworked WebUI and previews of Flink’s new Python Table API and its integration with the Apache Hive ecosystem.

Click through for the major changes.