Performance Articles

  • cgroups21

    Application Pauses When Running JVM Inside Linux Control Groups

    November 28, 2016

    Linux cgroups-based solutions (e.g., Docker, CoreOS) are increasingly being used to host multiple applications on the same host. We have been using cgroups at LinkedIn to build our own containerization product called LPS (LinkedIn Platform as a Service) and to investigate the impact of resource-limiting policies on application performance. This post presents our...

  • InstantMessaging

    Instant Messaging at LinkedIn: Scaling to Hundreds of Thousands of Persistent Connections on One Machine

    October 24, 2016

    Coauthor: Cliff Snyder We recently introduced Instant Messaging on LinkedIn, complete with typing indicators and read receipts. To make this happen, we needed a way to push data from the server to mobile and web clients over persistent connections instead of the traditional request-response paradigm that most modern applications are built on. In this post, we’ll...

  • Nuage1

    Reducing the MTTD and MTTR of LinkedIn’s Private Cloud

    October 14, 2016

    Nuage (French for “cloud”) is what we call LinkedIn’s internal cloud management portal. It allows LinkedIn developers to quickly create new datastores like Kafka topics, Voldemort stores, and Espresso databases, to name just a few in the LinkedIn data centers. The product consists of an HTTP frontend available to LinkedIn developers and a rest.li backend service...

  • cgroups1

    Don’t Let Linux Control Groups Run Uncontrolled

    August 18, 2016

    Coauthors: Cuong Tran and Jerry Weng Summary The Linux kernel feature of cgroups (Control Groups) is being increasingly adopted for...

  • Open-Sourcing LayoutKit

    June 28, 2016

    Fast performance is a key feature of LinkedIn’s mobile applications. So when we first released the new LinkedIn iOS app, and we...

  • Speed, Performance, and Public Profile

    May 17, 2016

    Co-authors: Gaurav Phapale and Oliver Tse A public profile page is a guest-accessible LinkedIn member’s profile page. When you visit...