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    • Type: Sub-task
    • Status: Resolved
    • Priority: Minor
    • Resolution: Won't Fix
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Spark Core
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      Description

      Provide RDD transforms analogous to Scala scan(z)(f) (parallel prefix scan) and scanLeft(z)(f) (sequential prefix scan)

      Discussion of a scanLeft implementation:
      http://erikerlandson.github.io/blog/2014/08/09/implementing-an-rdd-scanleft-transform-with-cascade-rdds/

      Discussion of scan:
      http://erikerlandson.github.io/blog/2014/08/12/implementing-parallel-prefix-scan-as-a-spark-rdd-transform/

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              • Assignee:
                eje Erik Erlandson
                Reporter:
                eje Erik Erlandson
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