Explain what is sequencefileinputformat?
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What are the side effects of not running a secondary name node?
Explain what is storage and compute nodes?
What is replication factor?
How can one check whether NameNode is working or not?
Can hadoop handle streaming data?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
Do we need to place 2nd and 3rd data in rack 2 only?
What is the block size in Hadoop?
What are some typical functions of job tracker in hadoop?
What are the parameters of mappers and reducers?
What are some typical functions of Job Tracker?
How to create the directory when name node is in safe mode?
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