webhdfs: Initialize WebHDFS Object

In linz1112/rwebhdfs-fix: WebHDFS REST API for R

Description

Initialize WebHDFS Object

Usage

webhdfs(namenode_host, namenode_port, hdfs_username, securityON = FALSE,
  token = NULL)

Arguments

namenode_host	namenode host address
namenode_port	namenode host port
hdfs_username	webhdfs access username
securityON	TRUE if HDFS security is on, FALSE otherwise
token	Hadoop delegation token to use when security is ON. NULL implies Kerberos SPNEGO authentication if securityON is TRUE

Value

a webhdfs object that captures the configuration

Enable WebHDFS

To enable WebHDFS in your Hadoop Installation add the following configuration to your hdfs_site.xml (requires Hadoop >0.20.205.0):

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

see: https://issues.apache.org/jira/secure/attachment/12500090/WebHdfsAPI20111020.pdf

linz1112/rwebhdfs-fix documentation built on May 21, 2019, 6:39 a.m.