Administering HDFS
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Druid service ports

Note the default ports used by Druid.

Master Server

  • 1527 (Derby metadata storage; unnecessary if using other RDBMS)
  • 2181 (ZooKeeper; omit if using a separate ZooKeeper cluster)
  • 8081 (Coordinator)
  • 8090 (Overlord)

Data Server

  • 8083 (Historical)

  • 8091, 8100–8199 (Druid Middle Manager; use a higher than port number, depending on high druid.worker.capacity)

Query Server

  • 8082 (Broker)
  • 8088 (Router, if used)