What is difference between an input split and hdfs block?


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More MapReduce Interview Questions

How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?

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What are the advantages of using mapreduce with hadoop?

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What is the difference between Reducer and Combiner in Hadoop MapReduce?

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Is it necessary to write a mapreduce job in java?

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What is Distributed Cache in the MapReduce Framework?

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What is a IdentityMapper and IdentityReducer in MapReduce ?

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How many Mappers run for a MapReduce job in Hadoop?

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Explain the Reducer's reduce phase?

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What are the key differences between Pig vs MapReduce?

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what does the text input format do?

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what is "map" and what is "reducer" in Hadoop?

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What are the various InputFormats in Hadoop?

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