List
Example for the private port of an Azure cluster
| Service | Nodes | Port | Protocol | Description |
|---|---|---|---|---|
| NameNode web UI | Head nodes | 30070 | HTTPS | Web UI to view status |
| NameNode metadata service | head nodes | 8020 | IPC | File system metadata |
| DataNode | All worker nodes | 30075 | HTTPS | Web UI to view status, logs, etc. |
| DataNode | All worker nodes | 30010 | Data transfer | |
| DataNode | All worker nodes | 30020 | IPC | Metadata operations |
| Secondary NameNode | Head nodes | 50090 | HTTP | Checkpoint for NameNode metadata |
Configuration
- from the conf file
<property>
<name>dfs.https.port</name>
<value>50470</value>
</property>
- from the command line:
hdfs getconf -confKey dfs.https.port