What is a mapreduce algorithm?
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What is sqoop in Hadoop ?
What is the InputSplit in map reduce ?
How many numbers of reducers run in Map-Reduce Job?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
How to optimize MapReduce Job?
Explain about the partitioning, shuffle and sort phase
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is a TaskInstance?
What is the job of blend () and repartition () in Map Reduce?
Explain JobConf in MapReduce.
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
When is it not recommended to use MapReduce paradigm for large scale data processing?
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