What is Identity reducer?
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What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
Is hadoop still in demand?
What is the key difference between NameNode and DataNode in Hadoop?
How to handle bad records during parsing?
Is it possible to provide multiple input to Hadoop? If yes then how?
Which are the three modes in which hadoop can be run?
Can you define inputsplit in hadoop?
Which directory does hadoop install to?
Can we deploy job tracker other than name node?
Explain what is speculative execution?
Explain the key benefits of using storm for real time processing?
What are the primary phases of the reducer?
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