What is the default replication factor?
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What is the purpose of DataNode block scanner?
What will you do when NameNode is down?
What problems can be addressed by using Zookeeper?
What are the two main components of ResourceManager?
What is commodity hardware?
What is a Combiner?
How can you connect an application
Explain what happens in textinformat ?
Virtual Box & Ubuntu Installation?
What is a heartbeat in HDFS?
What is the difference between SQL and NoSQL?
What is Partioner in hadoop? Where does it run
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