Explain JobConf in MapReduce.
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Why is output file name in Hadoop MapReduce part-r-00000?
What are the data components used by Hadoop?
Explain the difference between a MapReduce InputSplit and HDFS block?
Define the purpose of the partition function in mapreduce framework
Explain the input type/format in mapreduce by default?
what is the Hadoop MapReduce APIs contract for a key and value class?
How do ‘map’ and ‘reduce’ work?
what is "map" and what is "reducer" in Hadoop?
How many InputSplits is made by a Hadoop Framework?
What is the difference between map and reduce?
What is reduce side join in mapreduce?
What is Data Locality in Hadoop?
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