Druid is a real-time analytics database designed for fast slice-and-dice analytics ("OLAP" queries) on large data sets. In this topic, you should develop the RocketMQ indexing service enables the configuration of supervisors on the Overlord, which facilitate ingestion from RocketMQ by managing the creation and lifetime of RocketMQ indexing tasks. These indexing tasks read events using RocketMQ's own partition and offset mechanism. The supervisor oversees the state of the indexing tasks to coordinate handoffs, manage failures, and ensure that the scalability and replication requirements are maintained.
Apache Druid Data Ingestion