Can you give some examples of Big Data?
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Is it possible to rename the output file, and if so, how?
What is JobTracker?
What is throughput in Hadoop?
What is the use of recordreader in hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnode?
Explain how do you overwrite replication factor?
What is heartbeat in hadoop?
Can you give a detailed overview about the Big Data being generated by Facebook?
What is the default replication factor and how will you change it?
How to debug Hadoop code?
Explain map-only job?
How can one check whether NameNode is working or not?
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