Does google use hadoop?
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What are the functions of NameNode?
How to change from su to cloudera?
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?
How did you debug your Hadoop code ?
what is meaning Replication factor?
What is formatting of the dfs?
What is the purpose of DataNode block scanner?
How to write a Custom Key Class?
Define a task tracker?
Is hadoop the future?
what are the steps involved in commissioning adding
How does master slave architecture in the hadoop?
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