Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.
java kubernetes rocksdb distributed-systems kafka serverless actor-model kinesis stream-processing event-driven apache-flink flink exactly-once event-driven-architecture maven-central statefun stateful-functions java21 flink-kubernetes-operator stateful-stream-processing
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Updated
May 5, 2026 - Java