infrastructure Articles

  • 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...

  • rebuilding-messaging-how-we-built-for-extensibility

    Rebuilding messaging: How we built for extensibility

    August 20, 2020

    In the previous blog posts of our “Rebuilding messaging” series, we shared the process of how we designed the system from high-level product and engineering requirements, and how we bootstrapped the data. In this post, we’ll explore why we made extensibility a core aspect of our messaging platform, what that meant for our partner teams, and how we got it done....

  • liquid-the-soul-of-a-new-graph-database

    LIquid: The soul of a new graph database, Part 1

    July 23, 2020

    Co-authors: Scott Meyer, Andrew Carter, and Andrew Rodriguez Editor’s note: In this two-part blog series, we introduce LIquid, a new graph database built by LinkedIn to support human real-time querying of the economic graph. It is a complete implementation of the relational model that supports fast, constant-time traversal of graph edges with a relational graph...

  • rebuilding-messaging-how-we-bootstrapped-our-platform

    Rebuilding messaging: How we bootstrapped our platform

    July 21, 2020

    Co-authors: Pradhan Cadabam and Jingxuan (Rex) Zhang Messaging has been a core part of Linkedin since the day we launched and our...

  • Azure-Front-Door-map

    Scaling LinkedIn’s Edge with Azure Front Door

    June 16, 2020

    Co-authors: Viranch Mehta, Jon Sorenson, Samir Jafferali As LinkedIn has grown to more than 690 million members, we’ve expanded our...

  • designing-our-new-messaging-system-title-card

    Rebuilding messaging: How we designed our new system

    June 15, 2020

    Co-authors: Tyler Grant, Armen Hamstra, Cliff Snyder Over the last five years, the number of messages sent on LinkedIn has quadrupled....