Mention what daemons run on a master node and slave nodes?
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Explain what is speculative execution?
What are the modes in which Hadoop run?
Explain what is a sequence file in hadoop?
What are the main components of hadoop?
What is High Availability feature in Hadoop2?
Why do we need hadoop for big data analytics?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
Compare Hadoop 2 and Hadoop 3?
What is the most widely recognized info formats characterized in hadoop?
What happens if number of reducers are 0?
Why cloudera is used?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
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