Apache Druid Cluster
Apache Druid is a real-time analytics database designed for fast slice-and-dice OLAP queries over large streaming and batch datasets, combining ideas from data warehouses, timeseries databases, and search systems. It was created at Metamarkets to power interactive analytics dashboards before being donated to the Apache Software Foundation.
Baseline topologies
| Topology | Minimum nodes | Roles |
|---|---|---|
| minimal-cluster | 5 | druid-coordinator-overlord, druid-broker, druid-historical, druid-middlemanager, druid-zookeeper |
| scaled-cluster | 8 | druid-coordinator, druid-overlord, druid-broker, druid-historical, druid-middlemanager, druid-zookeeper |
What drives the cost
- Dataset size (GB)
- Total dataset size across all datasources. Drives historical node storage and memory for segment caching.
- Peak concurrent queries
- Peak simultaneous analytical queries. Drives broker and historical node CPU and memory.
- Ingestion rate (events/second)
- Peak event ingestion rate for real-time datasources. Drives MiddleManager/Indexer task capacity.
Where it runs
bare_metal, dedicated, cloud_vm
Size Apache Druid Cluster and get a cost estimate