Testing Articles

  • Trafficshift2

    TrafficShift: Load Testing at Scale

    May 11, 2017

    Co-authors: Anil Mallapur and Michael Kehoe   LinkedIn started as a professional networking service in 2003, serving user requests out of single data center. For any internet services company, availability is a key factor in its success. In any internet architecture, a lot of things can go wrong at any given time; network links can die, power fluctuations can...

  • mobilecrash1

    Mobile Crash Reporting at LinkedIn

    May 4, 2017

    Let’s start this post with a little history. In November 2015, the mobile team was looking for a solution that would give a good picture of how LinkedIn apps performed with respect to crashes. We had an internal tool to visualize crash data, but the UX was not good enough to help developers fix crashes and did not have adequate information to gauge the impact of...

  • testing_samza1

    Test Strategy for Samza/Kafka Services

    April 27, 2017

    Over a decade ago, test strategies invested heavily in UI-driven tests. Backend and mid-tier services were tested using automated UI-based tests. While UI-based tests have certain merits, such as testing user flows, they are also time-consuming and fragile. The strong coupling of tests with UI caused several problems: Tests needed frequent modification due to...

  • flashback-overview

    Introducing and Open Sourcing Flashback, an Internet...

    March 17, 2017

    This post was updated on June 15, 2017 Co-authors: Shangshang Feng, Yabin Kang, and Dan Vinegrad At LinkedIn, we often develop web...

  • Redliner Dependency Components

    Redliner: How LinkedIn Determines the Capacity Limits of...

    February 17, 2017

    Co-authors: Susie Xia and Anant Rao LinkedIn serves more than 467 million members on a global computing infrastructure through...

  • feature1

    Open Sourcing Dex Test Parser

    February 10, 2017

    Part of LinkedIn’s 3x3 pipeline for building and releasing mobile applications involves making the cycle for testing changes to the...