Is hadoop still in demand?
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If DataNode increases, then do we need to upgrade NameNode?
How to debug Hadoop code?
What are the parameters of mappers and reducers?
What are the main components of hadoop?
Define data cleansing?
What does hadoop-env.sh do?
How to create a user in Hadoop?
What happen if one of the datanodes has much slower cpu?
How analysis of Big Data is useful for organizations?
What is the basic difference between traditional RDBMS and Hadoop?
What is Chain Mapper?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
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