Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
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We have already sql then why nosql?
Can you explain sequence file in hadoop?
What is throughput in Hadoop?
what happens when namenode goes down during file read operation in hadoop?
Which language is more suitable for text analytics? R or python?
What the information segments utilized by hadoop are?
Explain what is sequencefileinputformat?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
Which database is used in hadoop?
What is hadoop? Name the main components of a hadoop application?
Name the most common input formats defined in hadoop?
Which scala library is used for functional programming?
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