What are the Hadoop features extended to its eco-system components ?
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How would you check whether your NameNode is working or not?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
Define a sequence file in hadoop?
How many InputSplits will be made by hadoop framework?
List of some best tools that can be useful for data-analysis?
Name the most common Input Formats defined in Hadoop? Which one is default?
List out some common problems faced by data analyst?
Explain what is a task tracker in hadoop?
Do we need to place 2nd and 3rd data in rack 2 only?
What happen if one of the datanodes has much slower cpu?
Explain how Hadoop cluster hardware planning and provisioning is done?
Which operating system(s) are supported for production hadoop deployment?
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