infrastructure Articles

  • The Joy of Anycast… (In)side the Data Center

    April 26, 2016

    Co-authors: Leigh Madock, Andrew Stracner, and Tim Crofts If you follow this blog regularly, you’ll know that scaling up our infrastructure is always part of our design work, and simplification is one way we address the challenge. For a long time, we used a pair of lightweight load balancers for every “core,” or approximately a room’s worth of compute, to serve...

  • Faster and Easier Service Deployment with LPS, Our New Private Cloud

    April 6, 2016

    Since 2003, we’ve re-architected our hosting systems four times to meet the needs of our rapidly growing systems and member base. At the same time, we’ve gone from less than a hundred services in 2009 to thousands of services and hundreds of thousands of service instances today. However, we achieved that scale at the price of wasted hardware and people hours. It...

  • Project Altair

    March 21, 2016

    LinkedIn's infrastructure needs to seamlessly handle petabytes of data on a daily basis. Our data centers and infrastructure have grown by 34 percent on annual basis and almost half a billion people in more than 200 countries and territories rely on us. In order to reliably deliver our services to our members and customers, we have expanded our data center...

  • Q&A with Jim Brikman: Splitting Up a Codebase into...

    February 24, 2016

    Yevgeniy (Jim) Brikman is a software engineer, entrepreneur, and author. As a software engineer at LinkedIn, he helped build the...

  • Project Falco

    Project Falco: Decoupling Switching Hardware and Software

    February 1, 2016

    Three years ago we had a serious latency problem with applications inside our data centers. We were not scaling our network...

  • The Many Facets of 'Faceted Search'

    September 10, 2015

    Faceted search is a vital part of LinkedIn’s search experience. It’s a key feature in the exploratory searches done by job seekers,...