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Hadoop. MapReduce (алгоритмы)

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WordCount (baseline, In-mapper combining, среднее значение, различающиеся значения). Кросс-корреляция (pairs, stripes). Реляционные паттерны MapReduce (Selection, Projection, Union, Intersection, Difference, Symmetric Difference, GroupBy и Aggregation, Repartition Join, Replicated Join, TF-IDF).

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