What is Apache Druid?

Last updated May 26, 2023 - Edit Source

• Data engineering

Druid is an open-source, column-oriented, distributed data store written in Java. It’s designed to quickly ingest massive quantities of event data, and provide low-latency queries on top of the data.

An analytics database designed for fast slice-and-dice analytics ( OLAP queries) on large data sets. Most often, Druid powers use cases where real-time ingestion, fast query performance, and high uptime are important.