How to write a custom partitioner for a Hadoop MapReduce job?


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More MapReduce Interview Questions

Can we set the number of reducers to zero in MapReduce?

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How many Mappers run for a MapReduce job?

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Where the mapper's intermediate data will be stored?

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Explain the Reducer's reduce phase?

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What do you understand by compute and storage nodes?

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How to configure the number of the Combiner in MapReduce?

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Explain the Reducer's Sort phase?

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What do you mean by inputformat?

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Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?

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What is the purpose of textinputformat?

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Explain the general mapreduce algorithm

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how Hadoop is different from other data processing tools?

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