How to use Cassandra's Map Reduce with or w/o Pig?

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抹茶落季
抹茶落季 2021-02-13 05:31

Can someone explain how MapReduce works with Cassandra .6? I\'ve read through the word count example, but I don\'t quite follow what\'s happening on the Cassandra end vs. the \"

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  •  鱼传尺愫
    2021-02-13 06:09

    It Knows about the locality ; The Cassandra InputFormat overrides getLocations() to preserve data locality

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