Can we deploy job tracker other than name node?
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What are the most common OutputFormat in Hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnode?
How Hadoop is cost-effective?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
Is it possible to have hadoop job output in multiple directories? If yes, how?
What are the differences between hadoop 1 and hadoop 2?
Why do the nodes are removed and added frequently in a hadoop cluster?
Explain how do you overwrite replication factor?
What do you know about the speculative execution?
What are the network requirements for hadoop?
What happen if one of the datanodes has much slower cpu?
What is a namenode?
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