How many instances of tasktracker run on a hadoop cluster?


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More Apache Hadoop Interview Questions

What is high availability in hadoop?

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How to come out of the insert mode?

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What is a “Distributed Cache” in Apache Hadoop?

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What is a checkpoint?

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What should be the ideal replication factor in Hadoop Cluster?

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What's the best way to copy files between HDFS clusters?

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Is hadoop required for data science?

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Explain what happens in textinformat ?

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What happens to a NameNode that has no data?

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Explain the shuffle?

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Mention what are the data components used by Hadoop?

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Why do we use Hadoop?

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