Define a datanode?
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Input Split & Record Reader and what they do?
Give the use of the bootstrap panel.
What exactly is hadoop?
Are Namenode and job tracker on the same host?
What is zookeeper in hadoop?
What is Input Split in hadoop?
How many JVMs run on a slave node?
What is a secondary namenode?
What do the master class and the output class do?
What is InputSplit and RecordReader?
What is nlineoutputformat?
Can hive run without hadoop?
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