Can you give a detailed overview about the Big Data being generated by Facebook?
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List of the some best tools that can be useful for data-analysis?
Can you explain record reader?
What are the port numbers of job tracker?
What is the NameNode port number?
Can you explain speculative execution?
Do we need to place 2nd and 3rd data in rack 2 only?
Explain how jobtracker schedules a task?
What are the port numbers of task tracker?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
What is KeyValueTextInputFormat in Hadoop?
What does jps command do in Hadoop?
What is the relationship between Jobs and Tasks in Hadoop?
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