How does a namenode handle the failure of the data nodes?
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what is meaning Replication factor?
Explain the Job OutputFormat?
Which one is default InputFormat in Hadoop ?
What are the default configuration files that are used in hadoop?
Why the name ‘hadoop’?
What are the different types of Znodes?
Is hadoop a database?
Define a metadata?
What are the functionalities of jobtracker?
Explain the features of stand alone (local) mode?
Explain the overview of hadoop history breifly?
What is the best hardware configuration to run Hadoop?
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