What are the four characteristics of Big Data?
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What are the additional benefits YARN brings in to Hadoop?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
What are the stable versions of Hadoop?
What is Derby database?
Who is a 'user' in HDFS?
What is HDFS High Availability?
What stored in HDFS?
how would you modify that solution to only count the number of unique words in all the documents?
Can hive run without hadoop?
Explain the difference between NameNode
How client application interacts with the NameNode?
What hadoop does in safe mode?
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