What does conf.setmapper class do?
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Explain how mapreduce works.
Define the Use of MapReduce?
What is sqoop in Hadoop ?
What is partitioning in MapReduce?
What is the inputsplit in map reduce software?
What is Reduce only jobs?
Where the mapper's intermediate data will be stored?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
A number of combiners can be changed or not in MapReduce?
Mention when to use Map reduce mode?
What is the difference between RDBMS with Hadoop MapReduce?
List out Hadoop's three configuration files?
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