Explain what is sqoop in Hadoop ?
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What are the characteristics of hadoop framework?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
Explain the features of stand alone (local) mode?
Why is hadoop faster?
Define a commodity hardware? Does commodity hardware include ram?
What is a checkpoint?
How to change Replication Factor For below cases ?
How can you connect an application
Does google use hadoop?
Which data storage components are used by hadoop?
On what basis Namenode will decide which datanode to write on?
What is the jobtracker?
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