What are the actions followed by hadoop?
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Define a record reader?
Can you explain bloommapfile.
If datanodes increase, then do we need to upgrade namenode?
How to debug Hadoop code?
Define a udf?
Can hadoop handle streaming data?
Explain what is hadoop?
How will you write a custom partitioner for a Hadoop job?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
What are the important features of hadoop?
Clarify what a task tracker is in hadoop?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
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