Explain in which directory hadoop is installed?
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Explain how Hadoop cluster hardware planning and provisioning is done?
Can you explain hadoop streaming?
In which location name node sores its metadata and why?
Which are the three modes in which hadoop can be run?
Name the operating system(s) which are supported for production hadoop deployment?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
How can we create a hadoop cluster from scratch?
What happens if the number of reducers is 0 in Hadoop?
Why do we need hadoop for big data analytics?
Give me an example of document database ?
What does rack awareness algorithm means?
Can we create a hadoop cluster from scratch?
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