What does rack awareness mean?
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Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
Explain edge nodes in hadoop?
Is hadoop still in demand?
What does the high availability of a name-node means?
Which one is default?
What happens if you don?t override the mapper methods and keep them as it is?
What is fsck?
Is nosql follow relational db model?
According to IBM, what are the three characteristics of Big Data?
What are the four modules that make up the Apache Hadoop framework?
What are the core components of Hadoop?
List out some common problems faced by data analyst?
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