Why use hadoop?
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What are the different modes in which we can configure/install Hadoop?
Explain in which directory hadoop is installed?
What is check pointing in hadoop?
Can we deploy job tracker other than name node?
Have you ever used counters in hadoop?
Why do we need Hadoop Archives? How is it created?
How many maps are there in a particular job?
What is a commodity hardware? Does commodity hardware include RAM?
Define a sequence file in hadoop?
Clarify what is sqoop in hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
What are configuration files in Hadoop?
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