Apache Beam vs Kafka Streams: What are the differences?
Apache Beam: A unified programming model. It implements batch and streaming data processing jobs that run on any execution engine. It executes pipelines on multiple execution environments; Kafka Streams: A client library for building applications and microservices. It is a client library for building applications and microservices, where the input and output data are stored in Kafka clusters. It combines the simplicity of writing and deploying standard Java and Scala applications on the client side with the benefits of Kafka's server-side cluster technology.
Apache Beam can be classified as a tool in the "Workflow Manager" category, while Kafka Streams is grouped under "Stream Processing".
Handshake, Skry, Inc., and Reelevant are some of the popular companies that use Apache Beam, whereas Kafka Streams is used by Doodle, Bottega52, and Scout24. Apache Beam has a broader approval, being mentioned in 9 company stacks & 4 developers stacks; compared to Kafka Streams, which is listed in 7 company stacks and 5 developer stacks.