Explain is it possible to search for files using wildcards?
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Explain how do you overwrite replication factor?
How namenode handles data node failures?
What is difference between secondary namenode, checkpoint namenode & backupnode?
What are the parameters of mappers and reducers?
What is the difference between an inputsplit and a block?
Can you give some examples of Big Data?
How will you write a custom partitioner for a Hadoop job?
Can hadoop replace relational database?
What are the side effects of not running a secondary name node?
What the information segments utilized by hadoop are?
Tell me some major benefits of Hadoop?
What is namenode?
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