#active namenode

Resolving the Failure Issue of NameNode

In the previous blog “Smattering of HDFS“, we learnt that “The NameNode is a Single Point of Failure for the HDFS Cluster”. Each cluster had a single NameNode and if that machine became unavailable, the whole cluster would become unavailable until the NameNode is restarted or brought up on a different machine. Now in this blog, we will learn about resolving the failure issue of NameNode.

Issues…