Can we set the number of reducers to zero in MapReduce?
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Can we rename the output file?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
Define MapReduce?
Explain what is “map” and what is "reducer" in hadoop?
In Hadoop, which file controls reporting in Hadoop?
How to create a custom key and custom value in MapReduce Job?
Mention what is the next step after mapper or maptask?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What do you understand by mapreduce?
How does fault tolerance work in mapreduce?
Clarify what is shuffling in map reduce?
List the configuration parameters that have to be specified when running a MapReduce job.
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