Explain what is the function of mapreduce partitioner?


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More MapReduce Interview Questions

Compare RDBMS with Hadoop MapReduce.

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What are the configuration parameters in the 'MapReduce' program?

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In MapReduce Data Flow, when Combiner is called?

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What is heartbeat in hdfs? Explain.

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What do you mean by inputformat?

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How to set mappers and reducers for MapReduce jobs?

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How to set the number of reducers?

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What is difference between an input split and hdfs block?

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What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?

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What are the key differences between Pig vs MapReduce?

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What are the benefits of Spark over MapReduce?

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How to create a custom key and custom value in MapReduce Job?

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