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Why is hadoop faster?
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What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
Does this lead to security issues?
Define tasktracker.
What are the main components of a Hadoop Application?
Explain how input and output data format of the hadoop framework?
Explain the difference between NameNode
Data Engineer Given a list of followers in the format:123, 345234, 678345, 123…Where column one is the ID of the follower and column two is the ID of the followee. Find all mutual following pairs (the pair 123, 345 in the example above). How would you use Map/Reduce to solve the problem when the list does not fit in memory?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is salary of hadoop developer?
What is IdentityMapper?
What is MapFile?
How can I install Cloudera VM in my system?
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