• Fine Tuning Premium Products Through A/B Testing

    October 27, 2015

    This is the first in a two-part series about how LinkedIn’s different business units use A/B testing and XLNT, our A/B testing software platform, to build better products for users. Today, we’ll the benefits of experimentation on how we build and iterate our premium and paid products. Tomorrow, we’ll explore how A/B testing helped us tune our email communication to give users what they need. LinkedIn offers a number of subscription products and we know that some members have been...

  • Throughput benchmark with LevelDB and RocksDB

    Open-sourcing PalDB, a lightweight companion for storing side data

    October 26, 2015

    LinkedIn’s data products give our members recommendations, analytics and insights. As we continue to invent more products that leverage data for our members, we need to push the envelope in our data processing capabilities and do more with less. One issue that often comes up is what to do to improve the usability and memory efficiency of side data. Side data is the extra read-only data needed by a process to do its job. For instance, a list of stopwords used by a natural language...

  • Voldemort 1.10 Open-Source Release

    October 20, 2015

    It has been a little over a year since the Voldemort 1.9 release, and the team of contributors at LinkedIn has not been standing still. After 22 patch releases, 100 pull requests, 244 commits, 504 files changed, and some 20 thousand lines rewritten, it is time for us to unleash the next major milestone in Voldemort’s history, release 1.10! Although it would be impossible to mention every change that went into the Voldemort 1.10 release, the two major areas of focus are around...

  • Getting to Know Zaid Ali Kahn

    October 19, 2015

    Name: Zaid Ali Kahn Position: Director, Global Infrastructure Architecture and Strategy at LinkedIn LinkedIn profile: https://www.linkedin.com/in...

  • API Analyzer Architecture

    Grokking Usage of API Data: Augmenting LinkedIn User and Partner Experience

    October 14, 2015

    LinkedIn’s API is the gateway used by numerous applications to access LinkedIn data, from simple third-party apps to large-scale strategic partners. It...

  • Introduction: Technical Paper on LinkedIn's A/B Testing Platform

    October 1, 2015

    XLNT is the end-to-end A/B testing platform used at LinkedIn to not only solve the day-to-day A/B testing needs across the company, but also sophisticated...