Explain the benefits of block transfer?
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Explain why the name ‘hadoop’?
What is 'Key value pair' in HDFS?
What will you do when NameNode is down?
Define a job tracker?
What is the jobtracker and what it performs in a hadoop cluster?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
What do you mean by taskinstance?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
What is Schema on Read and Schema on Write?
How to resolve small file problem in hdfs?
Is hadoop based on google mapreduce?
what is SPF?
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