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  1. Categories >> Software >> Big Data >> Hadoop >> Apache Hadoop
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What is Hadoop?

Question Posted / neha rani


What is Hadoop?..

Answer / sai krishna kesanapalli

Hadoop is an open source distributed processing framework that manages data processing and storing for big data applications running in clustered systems.

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More Apache Hadoop Interview Questions

What is a namenode? How many instances of namenode run on a hadoop cluster?

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what factors the block size takes before creation?

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How client application interacts with the NameNode?

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Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?

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Define streaming?

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Explain InputFormat?

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What is the default replication factor?

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Which one is default InputFormat in Hadoop ?

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On which port does ssh work?

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What do masters consist of?

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