This is the documentation for Cloudera Manager 4.8.2.
Documentation for other versions is available at Cloudera Documentation.

The HDFS Service

The HDFS service, and specifically the NameNode, has a number of configuration options that are unique to it. This includes configuring HDFS for high availability, including the ability to automatically or manually fail over to a backup NameNode, and setting up multiple federated nameservices. This section also include information on how to move the NameNode from one host to another, and how to run the Balancer.

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