Is hadoop open source?
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Is it necessary to know java to learn hadoop?
What will you do when NameNode is down?
what is SPF?
What is Derby database?
Name some companies that use Hadoop?
Explain the core components of hadoop?
What is small file problem in hadoop?
Define a namenode?
Define a metadata?
shouldn't DFS be able to handle large volumes of data already?
What is the full form of fsck?
how is a file of the size 1 GB uncompressed
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