Define a job tracker?
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What is a namenode? How many instances of namenode run on a hadoop cluster?
What should be the ideal replication factor in Hadoop Cluster?
What are the site-specific configuration files in Hadoop?
What is inputformat in hadoop?
What do you know about nlineoutputformat?
What is Your Cluster size ?
What is rack-aware replica placement policy?
Explain why the name ‘hadoop’?
Define a daemon?
what are the nodes in the Hadoop cluster?
How to resolve small file problem in hdfs?
Knox and Hadoop Development Tools?
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