What is IdentityMapper?
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Can NameNode and DataNode be a commodity hardware?
What is the Use of SSH in Hadoop ?
What is a 'block' in HDFS?
Name the various types of lists supported by bootstrap.
What is hadoop framework?
How to Administering Hadoop?
explain Metadata in Namenode?
What is difference between split and block in hadoop?
What is the difference between traditional RDBMS and Hadoop?
How will you make changes to the default configuration files?
What is Rack awareness?
What is the function of NodeManager?