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What is Apache Hadoop YARN?
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More Apache Hadoop Interview Questions
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
Define a namenode?
What is the jobtracker and what it performs in a hadoop cluster?
How can I restart namenode?
How many instances of a jobtracker run on hadoop cluster?
What are the steps to submit a Hadoop job?
Explain the basic difference between traditional rdbms and hadoop?
how is a file of the size 1 GB uncompressed
Why are the number of splits equal to the number of maps?
Where is the Mapper Output stored?
What is a Secondary Namenode? Is it a substitute to the Namenode?
Explain a simple Map/Reduce problem.
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