Why is Apache Spark faster than Hadoop MapReduce?
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Explain what you understand by speculative execution
What is Counter in MapReduce?
What is MapReduce?
When is the reducers are started in a MapReduce job?
Explain what are the basic parameters of a mapper?
what is storage and compute nodes?
Clarify what is shuffling in map reduce?
What is identity mapper and chain mapper?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What is LazyOutputFormat in MapReduce?
What is SequenceFileInputFormat?
How does inputsplit in mapreduce determines the record boundaries correctly?
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