What is formatting of the dfs?
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How does NameNode tackle DataNode failures?
Main Components of Hadoop?
What is hadoop framework?
How many JVMs run on a slave node?
Explain the Job OutputFormat?
What is a checkpoint?
How can we look for the namenode in the browser?
What is the difference between hadoop and other data processing tools?
What is a secondary namenode?
What are the core components of Apache Hadoop?
On what basis name node distribute blocks across the data nodes?
Explain the hadoop configuration files at present?
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