Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
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Why the name ‘hadoop’?
What is the relation between job and task in hadoop?
Explain what happens in textinformat ?
Define a commodity hardware? Does commodity hardware include ram?
What is a block and block scanner in HDFS?
Name the examples of some companies that are using hadoop structure?
Where is the Mapper Output stored?
What is MapFile?
Can you explain how do ‘map’ and ‘reduce’ work?
How the Client communicates with HDFS?
Where is the Mapper Output intermediate kay-value data stored ?
Explain how can we change the split size if our commodity hardware has less storage space?
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