Accessing External HDFS Clusters

Outlines how to use protocols to connect to other clusters.

MapR clusters can access an external HDFS cluster with the webhdfs:// protocols.

Prerequisites

Before you begin, verify the following:

  • The MapR node accessing the HDFS cluster must have the mapr-core or mapr-client package installed.
  • The HDFS cluster is installed and configured according to the vendor's specifications.
  • To use the hdfs:// protocol, edit the fs.hdfs.impl property in the $HADOOP_HOME/conf/core-site.xml file to include the value org.apache.hadoop.hdfs.DistributedFileSystem.

See the following cases provide information about MapR and accessing HDFS clusters.