What are the hadoop's three configuration files?
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What are the benefits of block transfer?
How does a namenode handle the failure of the data nodes?
Explain the basic difference between traditional rdbms and hadoop?
Can NameNode and DataNode be a commodity hardware?
How hdfa differs with nfs?
What is the use of combiners in the hadoop framework?
How a task is scheduled by a jobtracker?
What is a secondary namenode?
What do you mean by taskinstance?
What is yarn in hadoop?
Why do we use Hadoop?
What are active and passive "NameNodes"?
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