How does hadoop achieve fault tolerance?
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What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
Is it possible to rename the output file, and if so, how?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
Explain what is hadoop?
What are the primary phases of the reducer?
What is the purpose of RecordReader in hadoop?
What is the difference between an inputsplit and a block?
What is Federation?
Explain Hadoop streaming?
What is Disk Balancer in Hadoop?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
What is fsck?
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