What alternate way does HDFS provides to recover data in case a Namenode
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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
How can you overwrite the replication factors in HDFS?
What is a namenode? How many instances of namenode run on a hadoop cluster?
What are the functions of NameNode?
Where do you specify the Mapper Implementation?
Define a job tracker?
Define fault tolerance?
Explain the Job OutputFormat?
What do slaves consist of?
What is the difference between SQL and NoSQL?
Can you explain how do ‘map’ and ‘reduce’ work?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
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