What are the benefits of block transfer?
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Explain the basic difference between traditional rdbms and hadoop?
How does a namenode handle the failure of the data nodes?
What is the jobtracker?
How is hadoop different from other data processing tools?
What is Derby database?
Have you ever used Counters in Hadoop. Give us an example scenario?
Can we do online transactions(oltp) using hadoop?
What is speculative execution in Hadoop?
What is Hadoop Custom partitioner ?
What is a namenode? How many instances of namenode run on a hadoop cluster?
Explain the use of .mecia class?
On What concept the Hadoop framework works?
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