Explain what is hadoop?
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How ordering in hdfs is finished?
What are the four basic parameters of a mapper?
Give me the examples of Columnar database ?
Explain edge nodes in hadoop?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
Explain is it possible to search for files using wildcards?
What do you understand by a closure in scala?
Can you explain bloommapfile.
Mention what is rack awareness?
Can hadoop replace relational database?
Are job tracker and task trackers present in separate machines?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
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