Oct 4, 2020

Nielsen: Casting the Spell – Druid in Practice

At Nielsen Identity, we leverage Druid to provide our customers with real-time analytics tools for various use-cases, including in-flight analytics, reporting and building target audiences. The common challenge of these use-cases is counting distinct elements in real-time at scale. We’ve been using Druid to solve these problems for the past 4 years, and gained a lot of experience with it. In this talk, we will share some of the best practices and tips we’ve gathered over the years, including:

  • Data modeling
  • Ingestion
  • Retention and deletion
  • Query optimization