What happens to a namenode, when job tracker is down?
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What does /etc /init.d do?
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?
Command to format the NameNode?
What happens in a textinputformat?
How can I restart namenode?
How does master slave architecture in the hadoop?
How to resolve small file problem in hdfs?
Knox and Hadoop Development Tools?
Give the use of the bootstrap panel.
How to enable recycle bin in hadoop?
What do you know about nlineoutputformat?
Explain how do ‘map’ and ‘reduce’ works?
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