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Liaoliang daily Big Data quotes Spark 0011 (2015.11.2 in Shenzhen)

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The Saveastextfile method of the RDD first generates a MAPPARTITIONSRDD, which outputs the contents of the RDD data to HDFs through the Saveashadoopdataset method of the Carver Pairrddfunctions, And at last call Sparkcontext's runjob to actually submit the compute task to the spark cluster.


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Liaoliang daily Big Data quotes Spark 0011 (2015.11.2 in Shenzhen)

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