What are the actions followed by hadoop?
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What are the main components in Hadoop Eco-System and what are their functions ?
Give a brief overview of Hadoop history?
What do you know about yarn?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
Explain is it possible to search for files using wildcards?
Can you give some examples of Big Data?
How many job tracker processes can run on a single Hadoop cluster?
What is structured and unstructured data?
What is the key difference between NameNode and DataNode in Hadoop?
What are the important modes of hadoop?
Explain what is webdav in hadoop?
What do you mean by the NameNode High Availability in hadoop?
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