Explain how can you check whether namenode is working beside using the jps command?
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While starting hadoop services, datanode service is not running?
Can you explain logistic regression?
How to create hadoop archive?
What is rack awareness in hadoop?
How analysis of Big Data is useful for organizations?
Whats the default port that jobtrackers listens ?
How many daemon processes run on a hadoop cluster?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
What happen if one of the datanodes has much slower cpu?
What is Chain Mapper?
Where are hadoop’s configuration files located and list them?
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