What are combiners and its purpose?


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More Apache Hadoop Interview Questions

what is the default replication factor in HDFS?

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What is the problem with small files in Apache Hadoop?

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Explain the core components of hadoop?

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What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

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What are the functionalities of jobtracker?

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Who invented hadoop?

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Explain why do we need hadoop?

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