What do you mean by inputformat?
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How many Mappers run for a MapReduce job in Hadoop?
Explain what is distributed cache in mapreduce framework?
How to set the number of mappers for a MapReduce job?
What main configuration parameters are specified in mapreduce?
What do you mean by shuffling and sorting in MapReduce?
What is a MapReduce Combiner?
What is identity mapper and chain mapper?
What happens when the node running the map task fails before the map output has been sent to the reducer?
What does conf.setmapper class do?
Why Mapreduce output written in local disk?
what is distributed cache in mapreduce framework?
Explain what is “map” and what is "reducer" in hadoop?
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