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https://issues.apache.org/jira/browse/SPARK-23243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16608167#comment-16608167
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Bruce Robbins commented on SPARK-23243:
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Any plans to back port this to 2.2?
> Shuffle+Repartition on an RDD could lead to incorrect answers
> -------------------------------------------------------------
>
> Key: SPARK-23243
> URL: https://issues.apache.org/jira/browse/SPARK-23243
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.6.0, 2.0.0, 2.1.0, 2.2.0, 2.3.0
> Reporter: Jiang Xingbo
> Assignee: Wenchen Fan
> Priority: Blocker
> Labels: correctness
> Fix For: 2.3.2, 2.4.0
>
>
> The RDD repartition also uses the round-robin way to distribute data, this
> can also cause incorrect answers on RDD workload the similar way as in
> https://issues.apache.org/jira/browse/SPARK-23207
> The approach that fixes DataFrame.repartition() doesn't apply on the RDD
> repartition issue, as discussed in
> https://github.com/apache/spark/pull/20393#issuecomment-360912451
> We track for alternative solutions for this issue in this task.
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