Main Components of Hadoop?
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How to change Replication Factor For below cases ?
Define streaming access?
What is Apache Hadoop?
Can you explain how do ‘map’ and ‘reduce’ work?
What is a Secondary Namenode? Is it a substitute to the Namenode?
Where do you specify the Mapper Implementation?
Define a commodity hardware? Does commodity hardware include ram?
What are the network requirements for using hadoop?
How does a namenode handle the failure of the data nodes?
Explain the features of pseudo mode?
Mention what is the number of default partitioner in Hadoop?
What happens in a textinputformat?
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