What hadoop does in safe mode?
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What are the Basics of Hadoop?
What is a Record Reader in hadoop?
what is difference between int and intwritable?
Explain use cases where SequenceFile class can be a good fit?
How the HDFS Blocks are replicated?
What is Schema on Read and Schema on Write?
How do you define "block" in HDFS?
What is oozie in hadoop?
On What concept the Hadoop framework works?
What is the purpose of DataNode block scanner?
What do masters consist of?
Mention what is the use of Context Object?
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