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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What exactly kafka does?
Explain REVERSE function in Hive with example?
What is the difference between map and flatmap?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
Explain what is storage and compute nodes?
Can you define pagerank?
How many types of Tables in Hive?
Do streamers make money from sparks?
What do you mean by taskinstance?
What are the common mistakes developers make when running Spark applications?
what daemons run on a master node and slave nodes?
What is the use of having Filters in Apache Pig ?
Define Actions.
What is apache tajo?
Is it necessary to learn hadoop for spark?
