What do you understand by compute and storage nodes?
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how JobTracker schedules a task ?
what is distributed cache in mapreduce framework?
What is the use of InputFormat in MapReduce process?
What do you understand by mapreduce?
What is the difference between an RDBMS and Hadoop?
What does a 'MapReduce Partitioner' do?
What is MapReduce?
Why do we need MapReduce during Pig programming?
How can you add the arbitrary key-value pairs in your mapper?
Differentiate Reducer and Combiner in Hadoop MapReduce?
Explain the input type/format in mapreduce by default?
What are the data components used by Hadoop?