Which scala library is used for functional programming?
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How does speculative execution work in Hadoop?
What does rack awareness algorithm means and why is it utilized as a part of hadoop?
Can you give some examples of Big Data?
What are some of the characteristics of Hadoop framework?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
What is a namenode?
What is purpose of RecordWriter in Hadoop?
Where is hadoop-env.sh file present?
What are the Features of Hadoop?
What is Mapper? How can we compress Mapper output in Hadoop?
Which modes can Hadoop be run in? List a few features for each mode?
What happens if number of reducers are 0?
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