Ports and Bind Addresses Used by Drill
Ports
The table below lists the default ports that Drill uses and provides descriptions for each, as well as the corresponding configuration options. You can modify the configuration options in <drill_home>/conf/drill-override.conf to change the ports that Drill uses. See Start-Up Options for more information.
| Default port | Type | Configuration option | Description |
|---|---|---|---|
| 8047 | TCP | drill.exec.http.port | Needed for the Drill Web UI. |
| 31010 | TCP | drill.exec.rpc.user.server.port | User port address. Used between nodes in a Drill cluster. Needed for an external client, such as Tableau, to connect into the cluster nodes. Also needed for the Drill Web UI. |
| 31011 | TCP | drill.exec.rpc.bit.server.port | Control port address. Used between nodes in a Drill cluster. Needed for multi-node installation of Apache Drill. |
| 31012 | TCP | drill.exec.rpc.bit.server.port + 1 | Data port address. Used between nodes in a Drill cluster. Needed for multi-node installation of Apache Drill. |
Bind addresses
Introduced in release: 1.21.1
By default the Drill services that listen on the ports above will bind to all local IP addresses on each Drillbit. Two configuration options allow setting different bind addresses for RPC services and for HTTP services.
| Default bind address | Configufration option | Description |
|---|---|---|
| 0.0.0.0 | drill.exec.rpc.bind_addr | Bind address for all RPC services |
| 0.0.0.0 | drill.exec.http.bind_addr | Bind address for HTTP services |