Can MapReduce program be written in any language other than Java?
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In MapReduce how to change the name of the output file from part-r-00000?
What is Distributed Cache in the MapReduce Framework?
What is Text Input Format?
What is an identity mapper and identity reducer?
How many Mappers run for a MapReduce job?
What main configuration parameters are specified in mapreduce?
How do you stop a running job gracefully?
Explain JobConf in MapReduce.
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
What is the key- value pair in MapReduce?
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