What are the main components of hadoop?
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Can we deploye job tracker other than name node?
Why cloudera is used?
What are input format, input split & record reader and what they do?
What is a namenode?
What does jps command do in Hadoop?
In which directory hadoop is installed?
Clarify what is sqoop in hadoop?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
What is TaskTracker?
What is replication factor?
What does block mean?
What mode(s) can hadoop code be run in?
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