Kafka Streams DSL vs Processor API

Features

• Warm-up Processor API exercise, see DeduplicationExample.
• Clickstream join topology implemented using DSL and Processor API, see ClickstreamJoinExample.
• Processor API version is up to 10 times more efficient than DSL version.
• Examples are configured with Embedded Kafka and does not require any additional setup.
• Implemented with Kafka 1.0

Missing Features

• Tests
• Closing WindowStoreIterator (it is not feasible with javaIt.asScala converter)

References

• http://mkuthan.github.io/blog/2017/11/02/kafka-streams-dsl-vs-processor-api/