How to come out of the insert mode?
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How to exit the vi editor?
Name some companies that use Hadoop?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What if rack 2 and datanode fails?
What are the basic available commands in Hadoop sqoop ?
What is 'Key value pair' in HDFS?
Name the examples of some companies that are using hadoop structure?
What happens in a textinputformat?
Explain the difference between NameNode
Explain what is sqoop in Hadoop ?
What problems can be addressed by using Zookeeper?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
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