What are the stable versions of Hadoop?
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What exactly is hadoop?
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Mention what is the use of Context Object?
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how can we change Replication Factor?
What is a Record Reader in hadoop?
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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 is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
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