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What is Rack Awareness? What is its need in Hadoop?
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What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
What is TextInputFormat in Hadoop?
Can you explain bloommapfile.
Can you give a detailed overview about the Big Data being generated by Facebook?
What are the Features of Hadoop?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
How often DataNode send heartbeat to NameNode in Hadoop?
Are job tracker and task trackers present in separate machines?
Is it possible to provide multiple input to Hadoop? If yes then how?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
What happens if you don?t override the mapper methods and keep them as it is?
What are the limitations of Hadoop?
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