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Compare Hadoop 2 and Hadoop 3?
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More Hadoop General Interview Questions
Do we require two servers for the namenode and the datanodes?
What does the high availability of a name-node means? How is it accomplished?
What mode(s) can hadoop code be run in?
Can we deploy job tracker other than name node?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
What is job tracker in Hadoop?
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what if job tracker machine is down?
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