What is distributed copy (distcp)?
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Define a record reader?
What jobtracker is in hadoop? What are the activities followed by hadoop?
Why is Data Block size set to 128 MB in Hadoop?
What is Erasure Coding in Hadoop?
Explain Data Locality in Hadoop?
Which database is used in hadoop?
What are the different modes in which we can configure/install Hadoop?
What the information segments utilized by hadoop are?
Which one is default?
How can one write custom record reader?
What are some of the characteristics of Hadoop framework?
What are the side data distribution techniques?
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