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what is storage and compute nodes?
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When the reducers are are started in a mapreduce job?
Define Writable data types in Hadoop MapReduce?
Why do we need MapReduce during Pig programming?
Differentiate Reducer and Combiner in Hadoop MapReduce?
How can you add the arbitrary key-value pairs in your mapper?
How do Hadoop MapReduce works?
Where sorting is done on mapper node or reducer node in MapReduce?
What combiners are and when you should use a combiner in a mapreduce job?
How hadoop mapreduce works?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
Mention when to use Map reduce mode?
Which Sorting algorithm is used in Hadoop MapReduce?
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