Why MapReduce uses the key-value pair to process the data?
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How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
In MapReduce how to change the name of the output file from part-r-00000?
What is the core of the job in MapReduce framework?
Explain slot in Hadoop Map-Reduce v1?
How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.
What is MapReduce?
Which Sorting algorithm is used in Hadoop MapReduce?
Explain the general mapreduce algorithm
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
Define the Use of MapReduce?
How does Mappers run method works?
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