Random Thoughts on Coding

This blog post will quickly get you off the ground and show you how Kafka Streams works. We’re going to make a toy application that takes incoming messages and upper-cases the text of those messages, effectively yelling at anyone who reads the message. This application is called the “Yelling Application”....

Maybe you know a bit about Kafka and/or Kafka Streams (and maybe you don’t and are burning up with anticipation…). Rather than tell you about how Kafka Streams works and what it does, I would like to jump straight into a practical example of how you can apply Kafka Streams...

The last two posts on Kafka Streams (Kafka Processor API, KStreams DSL) introduced kafka streams and described how to get started using the API. This post will demonstrate a use case that prior to the development of kafka streams, would have required using a separate cluster running another framework. We...

The last post covered the new Kafka Streams library, specifically the “low-level” Processor API. This time we are going to cover the “high-level” API, the Kafka Streams DSL. While the Processor API gives you greater control over the details of building streaming applications, the trade off is more verbose code....

If you work on systems delivering large quatinties of data, you have probably heard of Kafka if you aren’t using it already. At a very high level, Kafka is a fault tolerant, distributed publish-subscribe messaging system that is designed for speed and the ability to handle hundreds of thousands of...