What happens to a namenode, when job tracker is down?
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More Apache Hadoop Interview Questions
what are Task Tracker and Job Tracker?
Which data storage components are used by hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is the difference between traditional RDBMS and Hadoop?
How we can change Replication factor when Data is on the fly?
How many Daemon processes run on a Hadoop system?
what should be the ideal replication factor in hadoop?
Can NameNode and DataNode be a commodity hardware?
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