What is a Backup node in Hadoop?
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Mention what job does the conf class do?
Which scala library is used for functional programming?
How to use combiner in hadoop ?
What is a commodity hardware? Does commodity hardware include RAM?
How NameNode tackle Datanode failures in Hadoop?
What is Identity reducer?
Give examples of some companies that are using Hadoop structure?
What webdav is in hadoop?
What is Mapper? How can we compress Mapper output in Hadoop?
What is the difference between an inputsplit and a block?
Can you give a detailed overview about the Big Data being generated by Facebook?
What is TaskTracker?
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