What happens to a NameNode that has no data?
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Define a task tracker?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Is client the end user in HDFS?
explain Metadata in Namenode?
Where is the Mapper Output intermediate kay-value data stored ?
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?
Name the various types of lists supported by bootstrap.
What is Hadoop Custom partitioner ?
How would you tackle counting words in several text documents?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
Which are the two types of 'writes' in HDFS?
What are the two main components of ResourceManager?
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