How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
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How many Mappers run for a MapReduce job in Hadoop?
What happens when the node running the map task fails before the map output has been sent to the reducer?
What is Reduce only jobs?
How many Mappers run for a MapReduce job?
What is identity mapper and reducer? In which cases can we use them?
What are the data components used by Hadoop?
What do sorting and shuffling do?
What is a scarce system resource?
What is the job of blend () and repartition () in Map Reduce?
In mapreduce what is a scarce system resource? Explain?
What is the InputSplit in map reduce ?
Can you tell us how many daemon processes run on a hadoop system?
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