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Why we use intwritable instead of int? Why we use longwritable instead of long?
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Why do we need hadoop for big data analytics?
What is Erasure Coding in Hadoop?
What are some of the characteristics of Hadoop framework?
Name the operating system(s) which are supported for production hadoop deployment?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What is namenode?
How to debug Hadoop code?
Can we write map reduce program in other than java programming language. How?
What are the core components of Hadoop?
What is KeyValueTextInputFormat in Hadoop?
Is it possible to have hadoop job output in multiple directories?
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