Main Components of Hadoop?


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More Apache Hadoop Interview Questions

Which files are used by the startup and shutdown commands?

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Name the examples of some companies that are using hadoop structure?

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What are the port numbers of namenode, job tracker and task tracker?

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What is difference between split and block in hadoop?

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What platform and java version are required to run hadoop?

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

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What are the default configuration files that are used in hadoop?

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Define a datanode?

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Explain the hadoop-core configuration?

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What if rack 2 and datanode fails?

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What is the problem with HDFS and streaming data like logs

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What is high availability in hadoop?

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