How to compress mapper output in Hadoop?


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More MapReduce Interview Questions

What is the default input type in MapReduce?

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Explain what you understand by speculative execution

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

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What are the advantages of using mapreduce with hadoop?

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What are the various InputFormats in Hadoop?

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How does Mappers run method works?

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Which Sorting algorithm is used in Hadoop MapReduce?

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What is the role of a MapReduce partitioner?

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What is shuffling in mapreduce?

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how Hadoop is different from other data processing tools?

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What platform and Java version is required to run Hadoop?

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What is the best way to copy files between HDFS clusters?

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