how can we change Replication Factor?
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What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
On what basis name node distribute blocks across the data nodes?
How does master slave architecture in the hadoop?
What are the site-specific configuration files in Hadoop?
What is the relation between job and task in hadoop?
Is hadoop based on google mapreduce?
Mention what are the data components used by Hadoop?
What is a task instance in hadoop? Where does it run?
What are the four characteristics of Big Data?
What does job conf class do?
What is the port number for NameNode
What platform and java version are required to run hadoop?