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c

net.gonzberg.spark.async

AsyncMapValuesPairRDD

final class AsyncMapValuesPairRDD[K, V] extends Serializable

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Instance Constructors

  1. new AsyncMapValuesPairRDD(rdd: RDD[(K, V)])

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  5. implicit def asyncMapValues[U](op: (V) ⇒ U, batchSize: Int = 1)(implicit arg0: ClassTag[U]): RDD[(K, U)]

    Runs map over the RDD's values in a threadpool, as a means to parallelize blocking IO, etc.

    Runs map over the RDD's values in a threadpool, as a means to parallelize blocking IO, etc.

    op

    The function to run

    batchSize

    The size of the threadpool (i.e. the amount of parallel execution within each executor core)

    returns

    A new RDD of key-value pairs, having applied op to all values of this RDD

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