ESPRESSO Articles

  • diagram-of-espressos-architecture

    How we improved latency through projection in Espresso

    March 5, 2020

    Co-authors: Xiang Zhang and Chuck Jerian Espresso is LinkedIn’s document-oriented, highly available, and timeline-consistent distributed datastore. Clients, such as services fetching profile data, read a subset fields of whole documents from Espresso in different use cases for reasons related to performance and costs. For example, one use case is reading only a...

  • Skill-Assessments-Example

    The building blocks of LinkedIn Skill Assessments

    September 17, 2019

    Co-authors: Christian Mathiesen and Jie Zhang Your LinkedIn profile is intended to be a representative picture of your professional life and career, and a key part of that picture is the skills you’ve acquired. In pursuit of our mission to create a place where everyone has access to opportunities based on the skills they have, we’re rolling out a new way to...

  • Espresso-online-data-flow-with-Netty4

    Improving performance and capacity for Espresso with new Netty framework

    June 27, 2019

    In this blog post, we’ll share how we migrated Espresso, LinkedIn’s distributed data store, to a new Netty4-based framework and achieved a large performance and capacity gain throughout the Espresso system as a result. In the larger scheme, this is particularly important since Espresso is a master data hub that serves many important applications across LinkedIn,...

  • managingdependency3

    Managing Software Dependency at Scale

    September 6, 2018

    Co-authors: Szymon Gizecki, Yu Li, Chinmaya Dattathri, Ethan Hall, Irina Issayeva, and Deep Majumder   Introduction At LinkedIn, we...

  • espresso1

    Migrating to Espresso

    August 2, 2017

    Espresso is LinkedIn's strategic distributed, fault-tolerant NoSQL database that powers many LinkedIn services. Espresso has a large...

  • 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...