What is sqoop in Hadoop ?
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A number of combiners can be changed or not in MapReduce?
What is a "map" in Hadoop?
What is the InputSplit in map reduce ?
What is Reduce only jobs?
what is NameNode in Hadoop?
what is the Hadoop MapReduce APIs contract for a key and value class?
What is a Speculative Execution in Hadoop MapReduce?
What is a partitioner and how the user can control which key will go to which reducer?
How do Hadoop MapReduce works?
What are the steps involved in MapReduce framework?
How to compress mapper output in Hadoop?
Explain about the partitioning, shuffle and sort phase in MapReduce?
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