What are the various InputFormats in Hadoop?


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More MapReduce Interview Questions

Where is Mapper output stored?

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Is reduce-only job possible in Hadoop MapReduce?

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Why MapReduce uses the key-value pair to process the data?

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Explain what does the conf.setMapper Class do in MapReduce?

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What is the utility of using Writable Comparable Custom Class in Map Reduce code?

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How does Mappers run method works?

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What is Data Locality in Hadoop?

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Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

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What is Text Input Format?

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Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

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How do Hadoop MapReduce works?

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What are the identity mapper and reducer in MapReduce?

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