How would you restart NameNode?
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Explain what is storage and compute nodes?
What are the tools used in big data?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
What are the configuration files in Hadoop?
How to specify more than one path for storage in Hadoop?
What is hadoop? Name the main components of a hadoop application?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
What is the hadoop-core configuration?
What is the role of the namenode?
Define “speculative execution” in hadoop?
What are the features of Fully-Distributed mode?
Explain InputSplit in Hadoop?
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