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Introduction to Kafka Streams with a Real-Life Example

Hello all, we're looking forward to kicking off 2017 with an exciting Meetup on Kafka Streams given by Alexis Seigneurin. Alexis is a Managing Consultant / Big Data Engineer at Ippon Technologies USA. Alexis specializes in Big Data technologies and Data Science applications, with a strong experience on the Apache Spark framework, Machine Learning algorithms, and NoSQL databases.

Food and drink will be provided by B23, starting at 5:30. We will kick off the presentation at 6:15 sharp.


Kafka Streams is a powerful, easy-to-use library for building highly scalable, fault-tolerant, distributed stream processing applications on top of Apache Kafka. It allows developers to easily consume and process data coming from Kafka and potentially push results to another Kafka topic. In this session, I will show how, on one of our projects, Kafka Streams provided a great replacement to Spark Streaming. The code is simpler, the latency is improved and it is now a lot easier to scale the application up or down. If time permits, I will also show how we converted a batch Spark application to a Kafka Streams application and divided the processing time by two!

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  • Kirk K.

    Thanks Alexis for following up with code samples from the presentation. I put the code into an eclipse project so I could have an easier time looking at it. There's also a docker build file as well which should make setting up the server a bit easier.

    January 20

  • Alexis S.

    Thanks all for coming tonight!

    Feel free to reach out at [masked] or on Twitter (@aseigneurin). I'd be happy to hear about your projects with Kafka and Spark!

    My slides can be found on

    You can also find my blog posts here on or

    3 · January 11

  • Mark B

    Great seeing everyone last night. I enjoyed talking with you all and learning a lot about Kafka Streams. I also learned that we will need more pizza and more chairs. I think we should target early spring for our next event. Please reach out to me at [masked] if you 1) have something you'd like to present or 2) have a topic you'd like to learn about.

    January 12

    • Franz D.

      Thanks for having Alexis do the the presentation. Since the IC community is doing more Kafka (I have been approached for 3 different projects), I think that the federal space will get interesting.Cheers.

      January 12

  • Kirk K.

    You asked about ideas for future Meetups. I for one enjoy hands on labs. From what I've seen this wouldn't be too difficult. Maybe even an entire morning lab session. 😃

    1 · January 12

  • Anjan S.

    The session was very informative.

    2 · January 11

  • Mark B

    Hello Apace Kafka DC members! We are less than 1 week away from our exciting Meetup on Kafka Streams. Please update your RSVP if your plans change so that we can plan accordingly. A bit of logistics. The building is a short 5 minute walk from the Tysons Corner Metro stop on the silver line. There is a paid parking garage next to the building, or you can park across the street at the mall for free. The Meetup will be held in the WeWork office on the 5th Floor. We'll have someone in the lobby helping guests get to the 5th floor.

    B23 will be providing pizza, beer, and soft drinks. I'm looking forward to seeing you again or meeting you.

    January 5

  • Naru

    sound good !! excited to know more about Apache Kafka

    1 · December 29

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