What is the purpose of textinputformat?
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What is the default input type in MapReduce?
What is the need of key-value pair to process the data in MapReduce?
What are the fundamental configurations parameters specified in map reduce?
How many times combiner is called on a mapper node in Hadoop?
Explain slot in Hadoop Map-Reduce v1?
What do sorting and shuffling do?
In Hadoop what is InputSplit?
What is shuffling and sorting in Hadoop MapReduce?
What is a RecordReader in Hadoop MapReduce?
What are ‘maps’ and ‘reduces’?
Define the Use of MapReduce?
When Namenode is down what happens to job tracker?
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