what are the nodes in the Hadoop cluster?
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How Mapper is instantiated in a running job?
Is hadoop required for data science?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is oozie in hadoop?
What are the modes in which Apache Hadoop run?
Does google use hadoop?
What happens to a namenode, when job tracker is down?
What is yarn in hadoop?
Is client the end user in HDFS?
Explain the master class and the output class do?
What is the difference between hadoop and other data processing tools?
Explain the features of fully distributed mode?
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