Define a task tracker?
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Should we use RAID in Hadoop or not?
Can the balancer be run while Hadoop is in use?
What is the full form of fsck?
What are the two main components of ResourceManager?
What is the difference between Hadoop and Traditional RDBMS?
What other technologies have you used in hadoop sta ck?
What is a 'block' in HDFS?
What is MapFile?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
How does an hadoop application look like or their basic components?
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?
What is partioner in hadoop? Where does it run,mapper or reducer?
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