What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
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What problems have you faced when you are working on Hadoop code?
What do masters consist of?
Explain the overview of hadoop history breifly?
How indexing is done in HDFS?
How is hadoop different from other data processing tools?
What is structured data?
What is nlineoutputformat?
What are the site-specific configuration files in Hadoop?
What is inputsplit in hadoop? Explain.
What is Hadoop Custom partitioner ?
On what basis data will be stored on a rack?
How will you make changes to the default configuration files?
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