What is a Heartbeat in Hadoop?
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How analysis of Big Data is useful for organizations?
What is JobTracker?
Give me examples of unstructured data?
Why do we need hadoop for big data analytics?
What are the different commands used to startup and shutdown Hadoop daemons?
Give me the examples of Columnar database ?
Explain what is sequencefileinputformat?
How many maps are there in a particular job?
What is Combiner in Hadoop?
Can you explain sequence file in hadoop?
Name the most common Input Formats defined in Hadoop? Which one is default?
Can you give a detailed overview about the Big Data being generated by Facebook?
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