How to resolve IOException: Cannot create directory
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What is the difference between traditional RDBMS and Hadoop?
Explain the overview of hadoop history breifly?
Explain why do we need hadoop?
In which location Name Node stores its Metadata and why?
How you can contact your client everyday ?
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What is partioner in hadoop? Where does it run,mapper or reducer?
How blocks are distributed among all data nodes for a particular chunk of data?
What is the use of Combiner?
Can we have multiple entries in the master files?
What do sorting do?
What is the purpose of dfsadmin tool?
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