Impala Ports
Before you deploy Impala, verify that the TCP ports are open on each system.
Impala uses the following ports:
Component | Service | Port | Type | Description |
---|---|---|---|---|
Impala Daemon |
Impala Daemon Frontend Port |
21000 |
External |
Impala uses this port to communicate commands and receive results through the impala-shell and the ODBC driver. |
Impala Daemon |
Impala Daemon Frontend Port |
21050 |
External |
Impala uses this port to communicate commands and receive results through applications. |
Impala Daemon |
Impala Daemon Backend Port |
22000 |
Internal |
The Impala daemons use this port to communicate with each other. |
Impala Daemon |
StateStoreSubscriber Service Port |
23000 |
Internal |
The Impala daemons listen for updates from the statestore on this port. |
Impala Daemon |
Impala Daemon HTTP Server Port |
25000 |
External |
The Impala web interface that administrators use for troubleshooting. |
Impala Statestore Daemon |
StateStore Service Port |
24000 |
Internal |
The statestore listens on this port for registration requests. |
Impala Statestore Daemon |
StateStore HTTP Server Port |
25010 |
External |
The statestore web interface that administrators use for troubleshooting. |
Impala Catalog Daemon | Catalog HTTP Server Port | 25020 | External | The catalog service web interface that administrators use for troubleshooting. |
Impala Catalog Daemon | Catalog Service Port | 26000 | Internal | The catalog service uses this port to communicate with the Impala daemons. |