What do you know about nlineinputformat?
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how JobTracker schedules a task ?
What is Output Format in MapReduce?
Why Hadoop MapReduce?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
When should you use sequencefileinputformat?
Explain Working of MapReduce?
What are the fundamental configurations parameters specified in map reduce?
Where sorting is done on mapper node or reducer node in MapReduce?
When is it not recommended to use MapReduce paradigm for large scale data processing?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
What is a combiner and where you should use it?
What is a "reducer" in Hadoop?
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