How does an hadoop application look like or their basic components?
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How blocks are distributed among all data nodes for a particular chunk of data?
What is a Record Reader in hadoop?
How to write a Custom Key Class?
What is the difference between SQL and NoSQL?
What are the hadoop's three configuration files?
What are the important differences between apache and hadoop?
Is it necessary to write jobs for hadoop in the java language?
What are active and passive "NameNodes"?
How Mapper is instantiated in a running job?
Why are the number of splits equal to the number of maps?
Whats is distributed cache in hadoop?
What is the difference between traditional RDBMS and Hadoop?
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