What is the difference between a MapReduce InputSplit and HDFS block?
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what job does the conf class do?
Explain the input type/format in mapreduce by default?
How to create custom key and custom value in MapReduce Job?
What is Data Locality in Hadoop?
What are the benefits of Spark over MapReduce?
What is the inputsplit in map reduce software?
What can be optimum value for Reducer?
How many times combiner is called on a mapper node in Hadoop?
What is the Hadoop MapReduce API contract for a key and value Class?
What do you understand by compute and storage nodes?
How to optimize Hadoop MapReduce Job?
What comes in Hadoop 2.0 and MapReduce V2 YARN
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