What is MapFile?
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Did you ever ran into a lop sided job that resulted in out of memory error
Explain what is the purpose of RecordReader in Hadoop?
Explain the basic difference between traditional rdbms and hadoop?
How to change Replication Factor For below cases ?
What are the Basics of Hadoop?
Is hadoop required for data science?
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?
Where do you specify the Mapper Implementation?
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Define a namenode?
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Explain the use of tasktracker in the hadoop cluster?
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