Is map like a pointer?


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More Apache Hadoop Interview Questions

Define tasktracker.

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What are the benefits of block transfer?

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What is the functionality of jobtracker in hadoop?

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What are the hadoop's three configuration files?

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Explain the wordcount implementation via hadoop framework ?

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What does /var/hadoop/pids do?

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What are the main components of a Hadoop Application?

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What does /etc /init.d do?

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What is DistributedCache and its purpose?

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What is Disk Balancer in Apache Hadoop?

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Can you explain how do ‘map’ and ‘reduce’ work?

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Explain Erasure Coding in Apache Hadoop?

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