What is the relation between job and task in hadoop?
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Explain why do we need hadoop?
Can Hadoop be compared to NOSQL database like Cassandra?
How many instances of JobTracker can run on a Hadoop Cluser?
Explain the use of .mecia class?
What is HDFS - Hadoop Distributed File System?
Can we call vms as pseudos?
What do shuffling do?
Where is the Mapper Output intermediate kay-value data stored ?
What is the port number for NameNode
What happens to a NameNode that has no data?
shouldn't DFS be able to handle large volumes of data already?
What other technologies have you used in hadoop sta ck?
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