When and how to create hadoop archive?
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What is purpose of RecordWriter in Hadoop?
List out some common problems faced by data analyst?
Give me an example of document database ?
What happens if number of reducers are 0?
How does speculative execution work in Hadoop?
What is KeyValueTextInputFormat in Hadoop?
What is structured and unstructured data?
What are the functionalities of jobtracer?
Explain what is storage and compute nodes?
Explain InputSplit in Hadoop?
Can we create a hadoop cluster from scratch?
What is Rack Awareness? What is its need in Hadoop?
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