What are the different commands used to startup and shutdown Hadoop daemons?
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What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
How to add/delete a Node to the existing cluster?
What is the difference between a hadoop database and relational database?
Is it possible to provide multiple input to Hadoop? If yes then how?
Where are Hadoop’s configuration files located?
What webdav is in hadoop?
How to create hadoop archive?
What did mean by data-node?
What is the difference between TextInputFormat and KeyValueInputFormat class?
Can you explain hadoop streaming?
Are there any special requirements for namenode?
How to specify more than one path for storage in Hadoop?
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