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
ormapr-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 valueorg.apache.hadoop.hdfs.DistributedFileSystem
.
The following cases provide information about MapR and accessing HDFS clusters.