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How can you add the arbitrary key-value pairs in your mapper?


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More MapReduce Interview Questions

Where sorting is done in Hadoop MapReduce Job?

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Why Mapreduce output written in local disk?

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What do you understand by the term Straggler ?

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Explain what you understand by speculative execution

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Is it possible to search for files using wildcards?

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How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

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how indexing in HDFS is done?

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Explain what does the conf.setmapper class do?

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What is a Speculative Execution in Hadoop MapReduce?

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What is a TaskInstance?

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What do sorting and shuffling do?

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What are combiners? When should I use a combiner in my MapReduce Job?

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