What does ‘jps’ command do?
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Define a combiner?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
What is Apache Hadoop YARN?
What do shuffling do?
Can the balancer be run while Hadoop is in use?
Does this lead to security issues?
What is the problem with small files in Apache Hadoop?
How will format the HDFS ?
What is the full form of fsck?
What are the steps to submit a Hadoop job?
What is Derby database?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
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