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Which Sorting algorithm is used in Hadoop MapReduce?
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Explain Working of MapReduce?
What is the job of blend () and repartition () in Map Reduce?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
How many numbers of reducers run in Map-Reduce Job?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
Explain about the basic parameters of mapper and reducer function
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is an input reader in reference to mapreduce?
When should you use sequencefileinputformat?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
what are the most common input formats defined in Hadoop?
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