what is meaning Replication factor?
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What are the basic available commands in Hadoop sqoop ?
What are combiners and its purpose?
How to come out of the insert mode?
What is hadoop framework?
Why the name ‘hadoop’?
What do you know about keyvaluetextinputformat?
Mention what is the use of Context Object?
What is your favourite tool in the hadoop ecosystem?
Define a job tracker?
How does NameNode tackle DataNode failures?
What is the purpose of DataNode block scanner?
Explain how can we change the split size if our commodity hardware has less storage space?
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