How we can take Hadoop out of Safe Mode?
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Define a namenode?
What are the functions of NameNode?
Is hadoop the future?
What is IdentityMapper?
What will you do when NameNode is down?
What are the most commonly defined input formats in Hadoop?
what are the nodes in the Hadoop cluster?
Explain the basic difference between traditional rdbms and hadoop?
Is hadoop obsolete?
Command to format the NameNode?
Can hive run without hadoop?
What is Apache Hadoop?