Explain the hadoop-core configuration?
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Input Split & Record Reader and what they do?
What exactly is hadoop?
What is Partioner in hadoop? Where does it run
What is structured data?
How many instances of a jobtracker run on hadoop cluster?
Explain the overview of hadoop history breifly?
How does a namenode handle the failure of the data nodes?
Can we have multiple entries in the master files?
What is the difference between hadoop and other data processing tools?
Explain the benefits of block transfer?
On what basis data will be stored on a rack?
when hadoop enter in safe mode?
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