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What is the use of recordreader in hadoop?


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More Hadoop General Interview Questions

Clarify how job tracker schedules an assignment?

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What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

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What is TaskTracker?

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What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?

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List out the some common problems faced by data analyst?

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How can we create a hadoop cluster from scratch?

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How namenode handles data node failures?

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Give me examples of unstructured data?

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In hadoop_pid_dir, what does pid stands for?

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What are the most common OutputFormat in Hadoop?

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Mention what job does the conf class do?

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Which directory does hadoop install to?

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