What is the fundamental difference between a MapReduce InputSplit and HDFS block?
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Is reduce-only job possible in Hadoop MapReduce?
What are the identity mapper and reducer in MapReduce?
What is the InputSplit in map reduce ?
What are ‘reduces’?
Developing a MapReduce Application?
How data is spilt in Hadoop?
What are the various configuration parameters required to run a mapreduce job?
What combiners is and when you should use a combiner in a MapReduce Job?
What is RecordReader in a Map Reduce?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
How to set mappers and reducers for Hadoop jobs?
Differentiate Reducer and Combiner in Hadoop MapReduce?
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