What is the port number for NameNode
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Explain how can we change the split size if our commodity hardware has less storage space?
Explain the features of pseudo mode?
Explain why the name ‘hadoop’?
How do you define "block" in HDFS?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
Explain what is sqoop in Hadoop ?
Define a namenode?
Define a daemon?
What is the jobtracker?
How will format the HDFS ?
Which data storage components are used by hadoop?
What platform and java version are required to run hadoop?