HDFS - Web UI (Namenode UI)

> Database > (Apache) Hadoop > Hadoop Distributed File System (HDFS)

1 - About

A typical HDFS install configures a client web server to navigate the HDFS namespace and view the contents of its files.

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3 - Example

Azure:

Service Nodes Port Protocol Description
NameNode web UI Head nodes 50070 HTTPS Default - Web UI to view status
NameNode web UI Head nodes 30070 HTTPS Private port - Web UI to view status on Azure

4 - Configuration

4.1 - Address

From the config file:

hdfs-site.xml
<property>
  <name>dfs.namenode.http-address.mycluster.nn1</name>
  <value>hn0-vgzhdi...cloudapp.net:30070</value>
</property>
 
<property>
  <name>dfs.namenode.http-address.mycluster.nn2</name>
  <value>hn1-vgzhdi....internal.cloudapp.net:30070</value>
</property>
 
<property>
  <name>dfs.namenode.https-address.mycluster.nn1</name>
  <value>hn0-vgzhdi...internal.cloudapp.net:30470</value>
</property>
 
<property>
  <name>dfs.namenode.https-address.mycluster.nn2</name>
  <value>hn1-vgzhdi....internal.cloudapp.net:30470</value>
</property>

or command line:

hdfs getconf -confKey dfs.namenode.http-address.mycluster.nn1