Explain some important features of hadoop?
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How to add/delete a Node to the existing cluster?
What is the relationship between Jobs and Tasks in Hadoop?
Which one is default?
What are the major differences between Hadoop 2 and Hadoop 3?
What do you think about the speculative execution?
What is 'jps'?
Explain what is storage and compute nodes?
What are the most common InputFormats in Hadoop?
List of some best tools that can be useful for data-analysis?
List Hadoop’s three configuration files?
What is Federation?
What is TaskTracker?
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