[jira] [Closed] (FLINK-8407) Setting the parallelism after a partitioning operation should be forbidden

["Aljoscha Krettek (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-8407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek closed FLINK-8407.
-----------------------------------
    Resolution: Fixed

Fixed on master in
a5476cdcdfe231bc8e06e7b453eeb1cbab57ed0d

> 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
>             Fix For: 1.5.0
>
>
> 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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