What is shuffling and sorting in Hadoop MapReduce?
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What do you mean by shuffling and sorting in MapReduce?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
Which are the methods in the mapper interface?
How data is spilt in Hadoop?
Explain InputSplit in Hadoop MapReduce?
Explain task granularity
Compare RDBMS with Hadoop MapReduce.
Difference between mapreduce and spark
How to set the number of mappers to be created in MapReduce?
How does fault tolerance work in mapreduce?
What are the fundamental configurations parameters specified in map reduce?
Is there any point of learning mapreduce, then?
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