Stream Processing Articles

  • Async1

    Asynchronous Processing and Multithreading in Apache Samza, Part I: Design and Architecture

    January 4, 2017

    As part of the Apache Samza 0.11 release, we rebuilt Samza’s underlying event processing engine to use an asynchronous and parallel processing model. The new model is unique among current open source stream processors because it not only supports running traditional synchronous processing in parallel on multiple threads, but also provides first-class support for...

  • streamprocess1

    Stream Processing Hard Problems Part II: Data Access

    August 22, 2016

    This post is the second in a series of posts that discuss some of the hard problems in stream processing. In the previous post, we explored the use of lambda architecture in stream processing and discussed techniques to avoid it. In this post, we’ll focus on one of the main bottlenecks in high scale stream processing applications: “accessing data.” Background...

  • Stream Processing Hard Problems – Part 1: Killing Lambda

    June 27, 2016

    We live in an age where we want to know relevant things happening around the world as soon as they happen; an age where digital content is updated instantly based on our likes and dislikes; an age where credit card fraud, security breaches, device malfunctions and site outages need to be detected and remedied as soon as they happen. It is an age where events are...

  • Benchmarking Apache Samza: 1.2 million messages per second ...

    August 24, 2015

    Update Apr 13, 2016: There are numerous improvement to Samza cachestore (SAMZA-658, SAMZA-812, SAMZA-873 etc.) since our last test...

  • Benchmarking Apache Samza: 1.2 million messages per second ...

    August 24, 2015

    Apache Samza has been run in production and is used by many LinkedIn services to solve a variety of stream processing scenarios. For...

  • Benchmarking Apache Samza: 1.2 million messages per second ...

    August 24, 2015

    Update Apr 13, 2016: There are numerous improvement to Samza cachestore (SAMZA-658, SAMZA-812, SAMZA-873 etc.) since our last test...