Mention Hadoop core components?
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what is storage and compute nodes?
mapper or reducer?
What is an input reader in reference to mapreduce?
Is it possible to split 100 lines of input as a single split in MapReduce?
What happens when a datanode fails ?
how Hadoop is different from other data processing tools?
what happens in textinformat ?
What is the next step after Mapper or MapTask?
What is MapReduce?
Explain the process of spilling in MapReduce?
what is the Hadoop MapReduce APIs contract for a key and value class?
Explain about the partitioning, shuffle and sort phase in MapReduce?
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