Compare RDBMS with Hadoop MapReduce.
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what is JobTracker in Hadoop? What are the actions followed by Hadoop?
How many InputSplits is made by a Hadoop Framework?
What do you mean by shuffling and sorting in MapReduce?
Explain about the basic parameters of mapper and reducer function
Define MapReduce?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What do you understand by compute and storage nodes?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
What is the problem with the small file in Hadoop?
Explain what are the basic parameters of a mapper?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
What is the function of mapreducer partitioner?
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