Explain how Hadoop cluster hardware planning and provisioning is done?
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How to create hadoop archive?
List Hadoop’s three configuration files?
What are the modes in which Hadoop run?
How to add/delete a Node to the existing cluster?
Define data cleansing?
Where are hadoop’s configuration files located and list them?
How to create the directory when name node is in safe mode?
How namenode handles data node failures?
How many datanodes can run on a single Hadoop cluster?
What the information segments utilized by hadoop are?
How will you write a custom partitioner for a Hadoop job?
Explain Hadoop streaming?
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