What is a distributed cache in mapreduce framework?
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What is a TaskInstance?
Explain about the partitioning, shuffle and sort phase in MapReduce?
How to optimize Hadoop MapReduce Job?
What is the purpose of textinputformat?
What is SequenceFileInputFormat?
Explain combiners.
Explain the process of spilling in MapReduce?
What is Output Format in MapReduce?
Mention what is the hadoop mapreduce apis contract for a key and value class?
How many times combiner is called on a mapper node in Hadoop?
What is the need of key-value pair to process the data in MapReduce?
What is MapReduce?
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