HDFS 포트 정리

Service	Servers	Default Ports Used	Protocol	Description	Need End User Access?	Configuration Parameters
NameNode WebUI	Master Nodes (NameNode and any back-up NameNodes)	50070	HTTP	Web UI to look at current status of HDFS, explore file system	Yes (Typically admins, Dev/Support teams, as well as extra-cluster users who require webhdfs/hftp access, for example, to use distcp)	dfs.http.address
		50470	HTTPS	Secure HTTP service		dfs.https.address
NameNode metadata service		8020/ 9000	IPC	File system metadata operations	Yes (All clients who directly need to interact with the HDFS)	Embedded in URI specified by fs.defaultFS
DataNode	All Slave Nodes	50075	HTTP	DataNode WebUI to access the status, logs, etc, and file data operations when using webhdfs or hftp	Yes (Typically admins, Dev/Support teams, as well as extra-cluster users who require webhdfs/hftp access, for example, to use distcp)	dfs.datanode.http.address
		50475	HTTPS	Secure HTTP service		dfs.datanode.https.address
		1019	Custom HDFS protocol	Data transfer		dfs.datanode.address
		50010	Custom HDFS protocol	Data transfer		dfs.datanode.address
		50020	IPC	Metadata operations	No	dfs.datanode.ipc.address
Secondary NameNode	Secondary NameNode and any backup Secondanry NameNode	50090	HTTP	Checkpoint for NameNode metadata	No	dfs.secondary.http.address
Jornal Node	Jornal Node RPC server	8485	IPC	JournalNode port for RPC server		dfs.journalnode.rpc-address
Jornal Node	Jornal Node HTTP server	8480	HTTP	The address and the port number the JournalNode HTTP server listens on. If the port is 0 then the server will start on a free port.		dfs.journalnode.http-address
Jornal Node	Jornal Node HTTPS Server	8481	HTTPS	The address and the port number that the JournalNode HTTPS server listens on. If the port is 0 then the server will start on a free port.		dfs.journalnode.https-address

 

참고

docs.cloudera.com/HDPDocuments/HDP2/HDP-2.6.5/bk_reference/content/hdfs-ports.html