Mention what is the data storage component used by hadoop?
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Mention what is the data storage component used by hadoop?
Clarify what is sequence file input format?
Can we write map reduce program in other than java programming language. How?
How does job tracker schedule a job for the task tracker?
Doesn’t google have its very own version of dfs?
How NameNode tackle Datanode failures in Hadoop?
What are some typical functions of Job Tracker?
What is the difference between an inputsplit and a block?
Can you explain the common input formats in hadoop?
Is it possible to have hadoop job output in multiple directories? If yes, how?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
How does hadoop achieve fault tolerance?
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