What is RecordReader in a Map Reduce?


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More MapReduce Interview Questions

How to optimize MapReduce Job?

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What is Output Format in MapReduce?

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Define speculative execution?

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How many Reducers run for a MapReduce job?

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what is WebDAV in Hadoop?

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What counter in Hadoop MapReduce?

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What are the identity mapper and reducer in MapReduce?

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how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

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What is the best way to copy files between HDFS clusters?

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What are the data components used by Hadoop?

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What is the core of the job in MapReduce framework?

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What is the use of InputFormat in MapReduce process?

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