What do you know about nlineinputformat?
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Describe what happens to a mapreduce job from submission to output?
List out Hadoop's three configuration files?
How to optimize Hadoop MapReduce Job?
Differentiate Reducer and Combiner in Hadoop MapReduce?
When should you use a reducer?
What is Text Input Format?
Explain the input type/format in mapreduce by default?
Mention when to use Map reduce mode?
What is MapReduce?
How many Reducers run for a MapReduce job?
Is there any point of learning mapreduce, then?
What is OutputCommitter?
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