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Posted to issues@spark.apache.org by "Xianyang Liu (Jira)" <ji...@apache.org> on 2019/10/17 09:27:00 UTC

[jira] [Created] (SPARK-29499) Add mapPartitionsWithIndex for RDDBarrier

Xianyang Liu created SPARK-29499:
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             Summary: Add mapPartitionsWithIndex for RDDBarrier
                 Key: SPARK-29499
                 URL: https://issues.apache.org/jira/browse/SPARK-29499
             Project: Spark
          Issue Type: Bug
          Components: PySpark, Spark Core
    Affects Versions: 2.4.4
            Reporter: Xianyang Liu


There is only one method in `RDDBarrier`. We often use the partition index as a label for the current partition. We need to get the index from `TaskContext`  index in the method of `mapPartitions` which is not convenient.



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