Testing Articles

  • bluepill-logo

    Releasing Bluepill to the Mobile Native Foundation

    June 7, 2021

    In March, LinkedIn joined the recently announced Mobile Native Foundation (MNF), a Linux Foundation project launched with the support of Airbnb, Corellium, Elotl, Flare.build, GitHub, GogoApps, Haystack, Line, Lyft, Microsoft, screenplay.dev, Slack, Solid Software, and Spotify. The goal of the Mobile Native Foundation is to disseminate knowledge and tooling...

  • dark-cluster-architecture-diagram

    Production testing with dark canaries

    September 10, 2020

    The internet software industry has moved away from long development cycles and dedicated quality assurance (QA) stages, toward a fast-paced continuous-integration/continuous-delivery (CI/CD) pipeline, where new code is quickly written, committed, and pushed to user-facing applications and services. Doing so has dramatically increased iteration speeds, and at...

  • faster-testing-on-android-with-mobile-test-orchestrator

    Faster testing on Android with Mobile Test Orchestrator

    June 26, 2020

    Introduction When testing Android applications (for example, the LinkedIn mobile app for Android), thorough testing practices can easily lead to a growth in the number of overall tests being performed—from hundreds to thousands to even tens of thousands. Clearly, there is a need to scale significantly, while at the same time keeping test run times reasonably...

  • setup-that-uses-LXC-to-emulate-a-YARN-cluster

    Using virtual private clusters for testing Apache Samza

    June 20, 2019

    If Apache Kafka is the lifeblood of all nearline processing at LinkedIn, then Apache Samza is the beating heart pumping that blood...

  • cluster-illustration

    Detecting interference: An A/B test of A/B tests

    June 5, 2019

    At LinkedIn, most decisions are made using experiments. When we want to decide between two features, we test them against each other...

  • dynamometer-1

    Dynamometer: Scale Testing HDFS on Minimal Hardware with...

    February 8, 2018

    Co-authors: Erik Krogen and Min Shen In March 2015, LinkedIn’s Big Data Platform team experienced a crisis. As the team was preparing...