What are the two main parts of the hadoop framework?
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What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
Explain the shuffle?
What is 'Key value pair' in HDFS?
Does google use hadoop?
What is the best hardware configuration to run Hadoop?
What is the process to change the files at arbitrary locations in HDFS?
What happens in a textinputformat?
How did you debug your Hadoop code ?
How many instances of JobTracker can run on a Hadoop Cluser?
How to change replication factor of files already stored in HDFS?
Explain the use of tasktracker in the hadoop cluster?
What is the purpose of dfsadmin tool?
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