What are some of the characteristics of Hadoop framework?
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Explain Data Locality in Hadoop?
What is Fault Tolerance?
How many maps are there in a particular job?
What is purpose of RecordWriter in Hadoop?
Does hadoop follows the unix pattern?
How to do ‘map’ and ‘reduce’ works?
Explain Hadoop Archives?
What is the difference between namenode and datanode in hadoop?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
What are the differences between hadoop 1 and hadoop 2?
What is Reducer in Hadoop?
What happen if one of the datanodes has much slower cpu?
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