Namespace view in a non-federated environment
Each cluster in an non-federated environment contains a single NameNode that provides a single independent namespace. In addition, the cluster does not share DataNodes with other clusters.
core-site.xml file has the
configuration property set to the NameNode of the cluster.
<property> <name>fs.default.name</name> <value>hdfs://namenodeOfClusterX:port</value> </property>
Using the value of the
fs.default.name configuration property, you can
use path names relative to the NameNode of the cluster instead of the absolute path
names. For example, you can use
foo/bar to refer to