Hadoop Webhdfs Setup and usage instructions

1. Configuration

Namenode Hdfs-site.xml is the Dfs.webhdfs.enabled property must be set to true, otherwise you will not be able to use Webhdfs liststatus, listfilestatus, etc. need to list files, The folder Status command, because this information is saved by Namenode.

Add attributes to/etc/hadoop/conf/hdfs-site.xml in Namenode and one datanode:

<property> <name>dfs.webhdfs.enabled</name> <value>true</value> </property>

2. Instructions for use

Access Namenode HDFs using port 50070, Access Datanode Webhdfs using 50075 ports. Access files, folder information using Namenode IP and 50070 ports, access to file content or open, upload, modify, download and other operations using Datanode IP and 50075 ports. To do all of the WEBHDFS operations using Namenode's IP and port without differentiating the ports, you need to set dfs.webhdfs.enabled in Hefs-site.xml to true on all datanode.

Hadoop Webhdfs Setup and usage instructions