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What are advantages of Spark over MapReduce?
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Difference between mapreduce and spark
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
What is the difference between Job and Task in MapReduce?
What is the key- value pair in Hadoop MapReduce?
What is the need of MapReduce in Hadoop?
What is the default value of map and reduce max attempts?
Explain how mapreduce works.
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is the use of InputFormat in MapReduce process?
List the configuration parameters that have to be specified when running a MapReduce job.
Explain how do ‘map’ and ‘reduce’ work?
how JobTracker schedules a task ?
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