Apache Druid is a high performance analytics data store for event-driven data.

Druid is a data store designed for high-performance slice-and-dice analytics (“OLAP“-style) on large data sets. Druid is most often used as a data store for powering GUI analytical applications, or as a backend for highly-concurrent APIs that need fast aggregations. Common application areas for Druid include:

  • Clickstream analytics
  • Network flow analytics
  • Server metrics storage
  • Application performance metrics
  • Digital marketing analytics
  • Business intelligence / OLAP


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