Explain how Hadoop cluster hardware planning and provisioning is done?
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For using hadoop list the network requirements?
What is JPS? Why is it used in Hadoop?
What is the difference between an inputsplit and a block?
What do you know about yarn?
What is the NameNode port number?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
What happens in text format?
What is the block size in Hadoop?
Can you explain logistic regression?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
Can hadoop replace relational database?
What is the role of the namenode?
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