Detail description of the Reducer phases?
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Can we submit the mapreduce job from slave node?
Compare RDBMS with Hadoop MapReduce.
What are the various configuration parameters required to run a mapreduce job?
How does Mappers run method works?
Is it necessary to write a mapreduce job in java?
Explain the process of spilling in MapReduce?
How to submit extra files(jars, static files) for MapReduce job during runtime?
What is the difference between a MapReduce InputSplit and HDFS block?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What are ‘reduces’?
What is KeyValueTextInputFormat in Hadoop MapReduce?
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