What is the need of key-value pair to process the data in MapReduce?
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When should you use sequencefileinputformat?
How many Mappers run for a MapReduce job?
How to specify more than one directory as input to the MapReduce Job?
What is the Job interface in MapReduce framework?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
In Hadoop, which file controls reporting in Hadoop?
Explain what does the conf.setMapper Class do in MapReduce?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
Explain about the basic parameters of mapper and reducer function
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
what daemons run on a master node and slave nodes?
What is a IdentityMapper and IdentityReducer in MapReduce ?
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