In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
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Can we set the number of reducers to zero in MapReduce?
How to optimize Hadoop MapReduce Job?
What is the need of MapReduce?
What is shuffling and sorting in mapreduce?
What are the advantages of using mapreduce with hadoop?
how Hadoop is different from other data processing tools?
Explain slot in Hadoop Map-Reduce v1?
What is the key- value pair in Hadoop MapReduce?
Can there be no Reducer?
What does a 'MapReduce Partitioner' do?
Describe what happens to a mapreduce job from submission to output?
What is difference between an input split and hdfs block?
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