What Is the Port for Accessing HDFS Using Python?
The default port of open source HDFS is 50070 for versions earlier than MRS 3.0.0, and 9870 for MRS 3.0.0 or later. Common HDFS Ports describes the common ports of HDFS.
For more information, see List of Open Source Component Ports.
Common HDFS Ports
The protocol type of all ports in the table is TCP.
|
Parameter |
Default Port |
Port Description |
|---|---|---|
|
dfs.namenode.rpc.port |
|
NameNode RPC port This port is used for: 1. Communication between the HDFS client and NameNode 2. Connection between the DataNode and NameNode
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.namenode.http.port |
9870 |
HDFS HTTP port (NameNode) This port is used for: 1. Point-to-point NameNode checkpoint operations. 2. Connecting the remote web client to the NameNode UI
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.namenode.https.port |
9871 |
HDFS HTTPS port (NameNode) This port is used for: 1. Point-to-point NameNode checkpoint operations 2. Connecting the remote web client to the NameNode UI
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.datanode.ipc.port |
9867 |
IPC server port of DataNode This port is used for: Connection between the client and DataNode to perform RPC operations.
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.datanode.port |
9866 |
DataNode data transmission port This port is used for: 1. Transmitting data from HDFS client from or to the DataNode 2. Point-to-point DataNode data transmission
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.datanode.http.port |
9864 |
DataNode HTTP port This port is used for: Connecting to the DataNode from the remote web client in security mode
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.datanode.https.port |
9865 |
HTTPS port of DataNode This port is used for: Connecting to the DataNode from the remote web client in security mode
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.JournalNode.rpc.port |
8485 |
RPC port of JournalNode This port is used for: Client communication to access multiple types of information
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.journalnode.http.port |
8480 |
JournalNode HTTP port This port is used for: Connecting to the JournalNode from the remote web client in security mode
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
dfs.journalnode.https.port |
8481 |
HTTPS port of JournalNode This port is used for: Connecting to the JournalNode from the remote web client in security mode
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
|
httpfs.http.port |
14000 |
Listening port of the HttpFS HTTP server This port is used for: Connecting to the HttpFS from the remote REST API
NOTE:
The port ID is a recommended value and is specified based on the product. The port range is not restricted in the code.
|
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