What are the actions followed by hadoop?
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What is structured and unstructured data?
Can you explain commodity hardware?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
What does jps command do in Hadoop?
How can you native libraries be included in yarn jobs?
Where is hadoop-env.sh file present?
Why aggregation cannot be done in Mapper?
Which language is more suitable for text analytics? R or python?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
Why use hadoop?
Explain the difference between an inputsplit and a block?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
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