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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
Name some companies that use Hadoop?
How many JVMs run on a slave node?
Knox and Hadoop Development Tools?
Is it necessary to write jobs for hadoop in the java language?
Which are the three main hdfs-site.xml properties?
What is HDFS ? How it is different from traditional file systems?
What is the difference between SQL and NoSQL?
Define a namenode?
What does the command mapred.job.tracker do?
Why password is needed in ssh localhost?
How to keep HDFS cluster balanced?
What do you know by storage and compute node?
Can you explain how do ‘map’ and ‘reduce’ work?
What is Hadoop Custom partitioner ?
What happens in a textinputformat?
