What are the Features of Hadoop?
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What is a record reader?
What are 'slaves' and 'masters' in Hadoop?
What is Rack Awareness? What is its need in Hadoop?
Clarify what is sqoop in hadoop?
Can you give some examples of Big Data?
What are the tools used in big data?
What is the difference between an inputsplit and a block?
For using hadoop list the network requirements?
Explain in which directory hadoop is installed?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
Define “speculative execution” in hadoop?
what is next step after mapper or maptask?
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