How to set the number of mappers to be created in MapReduce?
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How to optimize MapReduce Job?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
Explain about the partitioning, shuffle and sort phase in MapReduce?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
How can you add the arbitrary key-value pairs in your mapper?
What is the key- value pair in MapReduce?
Explain InputSplit in Hadoop MapReduce?
What is the difference between Job and Task in MapReduce?
When is it not recommended to use MapReduce paradigm for large
What is RecordReader in a Map Reduce?
What is shuffling in mapreduce?
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