did you maintain the hadoop cluster in-house or used hadoop in the cloud?
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Knox and Hadoop Development Tools?
Is a job split into maps?
How to enable recycle bin or trash in hadoop?
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What are the two main parts of the hadoop framework?
What problems have you faced when you are working on Hadoop code?
How will you make changes to the default configuration files?
What do shuffling do?
What are active and passive "NameNodes"?
Explain why the name ‘hadoop’?
What is a Combiner?
What are the limitations of importing RDBMS tables into Hcatalog directly?
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