What is the difference between SQL and NoSQL?
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Explain the hadoop-core configuration?
Did you ever ran into a lop sided job that resulted in out of memory error
What is a speculative execution in Apache Hadoop MapReduce?
What are the basic available commands in Hadoop sqoop ?
What does the command mapred.job.tracker do?
Define a metadata?
What are the different types of Znodes?
What is your favourite tool in the hadoop ecosystem?
What is inputformat in hadoop?
What is safe mode in Hadoop?
What is rack-aware replica placement policy?
Virtual Box & Ubuntu Installation?
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