How to create a user in Hadoop?
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List out the some common problems faced by data analyst?
What is Reducer in Hadoop?
What is heartbeat in hadoop?
What is a Backup node in Hadoop?
What is CAP Theorem? What aspects does Hadoop support from this theorem?
How to use combiner in hadoop ?
What is a rack?
Which object can be used to get the progress of a particular job
What is a combiner in hadoop?
Define data cleansing?
Is it possible to rename the output file, and if so, how?
Mention what is rack awareness?
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