For using hadoop list the network requirements?
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If datanodes increase, then do we need to upgrade namenode?
What is partitioning?
Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
What are the actions followed by hadoop?
How to do ‘map’ and ‘reduce’ works?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
List of some best tools that can be useful for data-analysis?
How Hadoop is cost-effective?
What is the difference between namenode and datanode in hadoop?
What is the role of the namenode?
Which are the three modes in which hadoop can be run?
What are the tools used in big data?
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