What is Disk Balancer in Apache Hadoop?
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Explain the basic architecture of Hadoop?
How many instances of JobTracker can run on a Hadoop Cluser?
What are the Basics of Hadoop?
how would you modify that solution to only count the number of unique words in all the documents?
What is NoSQL?
What is salary of hadoop developer?
What is the difference between hadoop and other data processing tools?
What if rack 2 and datanode fails?
what factors the block size takes before creation?
What are the important differences between apache and hadoop?
Why do we need a password-less ssh in fully distributed environment?
How did you debug your Hadoop code ?
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