How to restart Namenode?
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What is the function of ApplicationMaster?
what is SPF?
What is a task instance in hadoop? Where does it run?
How can we change the split size if our commodity hardware has less storage space?
What do you know by storage and compute node?
what is difference between int and intwritable?
What is output format in hadoop?
What hadoop does in safe mode?
Explain the use of .mecia class?
Name the examples of some companies that are using hadoop structure?
What is Derby database?
How did you debug your Hadoop code ?
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