Introduction of HDFS Federation enables multiple NameNodes in a cluster for horizontal scalability of NameNode. All these NameNodes work independently and don’t require any co-ordination. A DataNode can register with multiple NameNodes in the cluster and can store the data blocks for multiple NameNodes.
Deploying HDFS Federation
Article written by DataDotz Team
DataDotz is a Chennai based BigData Team primarily focussed on consulting and training on technologies such as Apache Hadoop, Apache Spark , NoSQL(HBase, Cassandra, MongoDB), Search and Cloud Computing.
Note: DataDotz also provides classroom based Apache Kafka training in Chennai. The Course includes Cassandra , MongoDB, Scala and Apache Spark Training. For more details related to Apache Spark training in Chennai, please visit http://datadotz.com/training/