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How to write MapReduce Programs?
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How to set mappers and reducers for MapReduce jobs?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What are the steps involved in MapReduce framework?
Explain what you understand by speculative execution
What do you understand by mapreduce?
What is Counter in MapReduce?
What is a mapreduce algorithm?
What is the best way to copy files between HDFS clusters?
Explain the differences between a combiner and reducer
How many Mappers run for a MapReduce job?
What combiners are and when you should utilize a combiner in a map reduce job?
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