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Apache Hadoop (394) - MapReduce (354)
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Hadoop Interview Questions
Un-Answered Questions { Hadoop }
Command to format the NameNode?
List some use cases of apache kafka?
Explain about the major libraries that constitute the Spark Ecosystem?
What does reduce action do?
What are the different composite keys in Cassandra?
What are watches?
Define hadoop archives?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
In a given spark program, how will you identify whether a given operation is Transformation or Action ?
What are the features of apache cassandra?
What is sqoop and flume?
What is lineage graph?
What are Flume core components?
Explain the flatMap() transformation in Apache Spark?
Describe Network Topology Strategy?
