What is mapper in map reduce?
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what job does the conf class do?
What is the job of blend () and repartition () in Map Reduce?
What is SequenceFileInputFormat?
What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?
What is the need of MapReduce in Hadoop?
How to write a custom partitioner for a Hadoop MapReduce job?
What is difference between a MapReduce InputSplit and HDFS block
Explain about the partitioning, shuffle and sort phase in MapReduce?
What does a 'MapReduce Partitioner' do?
Explain what does the conf.setMapper Class do in MapReduce?
Explain how mapreduce works.
Describe what happens to a mapreduce job from submission to output?
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