SRE 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...

  • school-of-sre-logo-showing-a-gear-wearing-a-graduation-cap

    Open source update: School of SRE

    February 3, 2021

    Co-authors: Akbar KM and Kalyanasundaram Somasundaram Site up and secure is a fundamental element of how we operate, and site reliability engineers (SREs) play a critical role in fulfilling that responsibility. Talent has always been the number one operating priority, and over the last few years, we’ve been running multiple programs to identify, hire, and...

  • 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 exception. As our member community grew, our priorities were to keep up with that growth, or as we say, ensure continuous “site up.” (Read: adding servers to scale from hundreds to hundreds of thousands.) We ran into challenges about...

  • The impact of slow NFS on data systems

    June 23, 2020

    Espresso is LinkedIn's defacto NoSQL database solution. It is an online, distributed, fault-tolerant database that powers most of...

  • 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...

  • top-blogs-logos

    The Top 2019 LinkedIn Engineering Blogs

    December 9, 2019

    As the year draws to a close, we’re taking a look back at ten of our most popular 2019 articles on the LinkedIn Engineering Blog....