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For a job in Hadoop, is it possible to change the number of mappers to be created?
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What are the primary phases of a Reducer?
Name job control options specified by mapreduce.
Explain what is distributed cache in mapreduce framework?
What is heartbeat in hdfs?
What is partitioning in MapReduce?
Is it mandatory to set input and output type/format in MapReduce?
How hadoop mapreduce works?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
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when do reducers play their role in a mapreduce task?
When is the reducers are started in a MapReduce job?
Why is Apache Spark faster than Hadoop MapReduce?
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