What is Apache Hadoop?
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Explain the shuffle?
How does master slave architecture in the hadoop?
What is IdentityMapper?
How to resolve small file problem in hdfs?
What is your favourite tool in the hadoop ecosystem?
Is hadoop required for data science?
Explain what happens in textinformat ?
Why password is needed in ssh localhost?
What is the relation between job and task in hadoop?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
What are the Basics of Hadoop?
What is a task instance in hadoop? Where does it run?
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