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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/01/22 21:54:00 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-29499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-29499:
----------------------------------
    Fix Version/s: 3.0.0

> 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
>            Assignee: Xianyang Liu
>            Priority: Major
>             Fix For: 3.0.0
>
>
> 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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