What is nlineoutputformat?
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what is meaning Replication factor?
What are watches?
Where is the Mapper Output stored?
What is the jobtracker and what it performs in a hadoop cluster?
What is hadoop framework?
What is crontab? Explain with suitable example?
How indexing is done in HDFS?
Why password is needed in ssh localhost?
How can I restart namenode?
what is the default replication factor in HDFS?
How we can change Replication factor when Data is on the fly?
explain Metadata in Namenode?
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