Give examples of some companies that are using Hadoop structure?
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Explain the usage of Context Object?
What does rack awareness mean?
Explain the difference between an inputsplit and a block?
Explain what is namenode in hadoop?
Can hadoop replace relational database?
How is the splitting of file invoked in Hadoop ?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
We have already sql then why nosql?
Clarify how job tracker schedules an assignment?
What is Reducer in Hadoop?
Can you explain hadoop streaming?
Ideally what should be the replication factor in hadoop?
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