what is meaning Replication factor?
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What are the functions of NameNode?
Is it necessary to write jobs for hadoop in the java language?
What is Rack awareness?
How to resolve small file problem in hdfs?
What is the problem with HDFS and streaming data like logs
explain Metadata in Namenode?
In which location Name Node stores its Metadata and why?
How a task is scheduled by a jobtracker?
How does an hadoop application look like or their basic components?
Explain the basic difference between traditional rdbms and hadoop?
Mention what are the data components used by Hadoop?
What is a block and block scanner in HDFS?
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