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https://issues.apache.org/jira/browse/FLINK-8407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16345158#comment-16345158
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ASF GitHub Bot commented on FLINK-8407:
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Github user xccui commented on the issue:
https://github.com/apache/flink/pull/5369
That makes sense to me. I just wonder what do you mean by "add a test for
the Java API"...
> Setting the parallelism after a partitioning operation should be forbidden
> --------------------------------------------------------------------------
>
> Key: FLINK-8407
> URL: https://issues.apache.org/jira/browse/FLINK-8407
> Project: Flink
> Issue Type: Bug
> Components: DataStream API
> Reporter: Xingcan Cui
> Assignee: Xingcan Cui
> Priority: Major
>
> Partitioning operations ({{shuffle}}, {{rescale}}, etc.) for a {{DataStream}}
> create new {{DataStreams}}, which allow the users to set parallelisms for
> them. However, the {{PartitionTransformations}} in these returned
> {{DataStreams}} will only add virtual nodes, whose parallelisms could not be
> specified, in the execution graph. We should forbid users to set the
> parallelism after a partitioning operation since they won't actually work.
> Also the corresponding documents should be updated.
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