Which directory does hadoop install to?
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Is it possible to provide multiple input to Hadoop? If yes then how?
What do you know about the speculative execution?
Can you explain record reader?
How to add/delete a Node to the existing cluster?
Mention what job does the conf class do?
Clarify what is sequence file input format?
Explain what is storage and compute nodes?
What happen when namenode enters in safemode in hadoop?
Can we write map reduce program in other than java programming language. How?
Where is hadoop-env.sh file present?
What is KeyValueTextInputFormat in Hadoop?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
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