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What platform and Java version is required to run Hadoop?
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Explain about the basic parameters of mapper and reducer function
Explain Working of MapReduce?
How can we control particular key should go in a specific reducer?
How to set the number of mappers to be created in MapReduce?
How to set mappers and reducers for MapReduce jobs?
Explain job scheduling through JobTracker
What are ‘reduces’?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
What is the need of MapReduce?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is shuffling and sorting in mapreduce?
How to create custom key and custom value in MapReduce Job?
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