What are the two main components of ResourceManager?
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How to write a Custom Key Class?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
Explain the master class and the output class do?
Explain InputFormat?
On what basis name node distribute blocks across the data nodes?
Is map like a pointer?
What is the InputFormat ?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
Explain how do ‘map’ and ‘reduce’ works?
Is it necessary to know java to learn hadoop?
what is SPF?
What is small file problem in hadoop?
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