What is the SITREP on Apache Kafka & Flink?

I’ve worked with (** references at end of article) a number of Apache projects over the years, often pretty closely; Apache Cassandra, Apache Flink, Apache Kafka, Apache Zookeeper and numerous others. But the last few years I’ve not been immediately hands on with the technology. A few questions popped up recently, that fortunately I was able to answer based on existing knowledge, but it made me real curious about what the SITREP (Situational Report) is for the Apache Kafka and Flink Projects for TODAY, i.e. rolling into 2025! The following is a quick dive into the history and then the latest details (and drama?) with Apache Kafka, Flink, and tangentially some other projects (Zookeeper?).

Apache Projects – Context & Quick Details

If you’re unfamiliar with the Apache Projects in a general sense, I highly suggest going and checking out the Apache Project Directory and Apache Projects List. There you will find all sorts of fascinating information about the organization itself, how the projects are organized, and the trend of committees and related details. For example, I always love checking out the initial charts on retired and active that show on the directory page, as I’ve snapshotted below.

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