What is the meaning of speculative execution in Hadoop? Why is it important?


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More Apache Hadoop Interview Questions

What is Your Cluster size ?

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What are channel selectors?

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Explain the hadoop-core configuration?

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What is nlineoutputformat?

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Are Namenode and job tracker on the same host?

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Is hadoop open source?

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What do slaves consist of?

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Explain the wordcount implementation via hadoop framework ?

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Is hadoop the future?

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What platform and java version are required to run hadoop?

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What do you know about keyvaluetextinputformat?

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Input Split & Record Reader and what they do?

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