infrastructure Articles

  • host-wise-latency-to-detect-outliers-and-single-node-failures-this-graph-shows-four-outliers-from-three-hosts

    Rethinking site capacity projections with Capacity Analyzer

    March 16, 2021

    While site outages are inevitable, it’s our job to minimize both the duration of outages and the likelihood for an outage to occur. One of our preemptive measures is in the way we determine overall site capacity and health on an everyday basis, in that we load-test in production. There’s an elegant system to bucket and route members to specific data centers from...

  • diagram-for-variant-assignment-for-a-sample-population

    A/B testing at LinkedIn: Assigning variants at scale

    December 16, 2020

    Co-authors: Alexander Ivaniuk and Weitao Duan Editor’s note: This blog post is the second in a series providing an overview and history of LinkedIn’s experimentation platform. The previous post on the history of LinkedIn’s experimentation infrastructure can be found here. Introducing variant assignment Previously on the blog, we’ve shared a look into how...

  • behind-the-scenes-of-the-new-linkedin-jobs-experience

    Behind the scenes: The new LinkedIn Jobs experience

    October 28, 2020

    Co-authors: Hang Li, David Huang, Shuangfei Li, and Shannon Zhang A robust hiring ecosystem is one that serves the needs of both employers and prospective candidates, and is a critical component of creating economic opportunity for every member of the global workforce. A robust hiring ecosystem is now more important than ever as COVID-19 has left millions...

  • under-the-hood-updating-linkedins-ui

    Under the hood: Updating LinkedIn's UI

    October 22, 2020

    Co-author: Jitesh Gandhi and Eric Babyak Across LinkedIn, we recently launched a new design that brings a warmer, more inclusive...

  • architecture-diagram-of-magnet

    Magnet: A scalable and performant shuffle architecture for ...

    October 21, 2020

    Co-authors: Min Shen, Chandni Singh, Ye Zhou, and Sunitha Beeram At LinkedIn, we rely heavily on offline data analytics for...

  • fixing-linux-file-system-performance-regressions

    Fixing Linux filesystem performance regressions

    October 16, 2020

    As companies grow, adapt, morph, and mature, one item remains the same: the need for reinvention. Technical infrastructure is no...