How do you categorize a big data?
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What is speculative execution in Hadoop?
What is output format in hadoop?
Explain the basic architecture of Hadoop?
What do masters consist of?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Knox and Hadoop Development Tools?
How many maximum jvm can run on a slave node?
Explain the features of stand alone (local) mode?
What happens to a NameNode that has no data?
How blocks are distributed among all data nodes for a particular chunk of data?
how can we change Replication Factor?
What will you do when NameNode is down?
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