What is the difference between HDFS block and input split?


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More MapReduce Interview Questions

What is mapper in map reduce?

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what is the Hadoop MapReduce APIs contract for a key and value class?

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What is a combiner and where you should use it?

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What are the key differences between Pig vs MapReduce?

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Is it mandatory to set input and output type/format in MapReduce?

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For a job in Hadoop, is it possible to change the number of mappers to be created?

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What is KeyValueTextInputFormat in Hadoop MapReduce?

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What is Output Format in MapReduce?

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

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How to set the number of reducers?

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Is there any point of learning mapreduce, then?

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Map reduce jobs take too long. What can be done to improve the performance of the cluster?

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