What is speculative execution in Hadoop?


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More Apache Hadoop Interview Questions

What is the jobtracker?

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Which one is default InputFormat in Hadoop ?

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Can we do online transactions(oltp) using hadoop?

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What are the main components of a Hadoop Application?

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What happens to a namenode, when job tracker is down?

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what is the typical block size of an HDFS block?

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what is a datanode?

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How does master slave architecture in the hadoop?

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What are the four characteristics of Big Data?

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What are the steps to submit a Hadoop job?

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Explain the Job OutputFormat?

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What is Hadoop Custom partitioner ?

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