What mode(s) can hadoop code be run in?
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What is pseudo-distributed mode?
What is check pointing in hadoop?
What is the difference between TextInputFormat and KeyValueInputFormat class?
What happen if a datanode loses network connection for a few minutes?
What do you know about yarn?
How to create a user in Hadoop?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
Can you explain logistic regression?
Define a sequence file in hadoop?
Why is Data Block size set to 128 MB in Hadoop?
What are the core components of Hadoop?
Can you explain combiner?
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