How many maximum jvm can run on a slave node?
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Where is the Mapper Output stored?
Are Namenode and job tracker on the same host?
What happens in a textinputformat?
Is it necessary to know java to learn hadoop?
explain Metadata in Namenode?
Name the examples of some companies that are using hadoop structure?
What is the use of Combiner?
Define a job tracker?
What is Derby database?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What is inputsplit in hadoop? Explain.
What will you do when NameNode is down?
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