[jira] [Commented] (FLINK-6188) Some setParallelism() methods can't cope with default parallelism

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15953223#comment-15953223 ] 

ASF GitHub Bot commented on FLINK-6188:
---------------------------------------

Github user aljoscha commented on the issue:

    https://github.com/apache/flink/pull/3616
  
    @greghogan @kl0u I addressed your comments.


> Some setParallelism() methods can't cope with default parallelism
> -----------------------------------------------------------------
>
>                 Key: FLINK-6188
>                 URL: https://issues.apache.org/jira/browse/FLINK-6188
>             Project: Flink
>          Issue Type: Bug
>          Components: DataStream API
>    Affects Versions: 1.2.1
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>            Priority: Blocker
>             Fix For: 1.2.1
>
>
> Recent changes done for FLINK-5808 move default parallelism manifestation from eager to lazy, that is, the parallelism of operations that don't have an explicit parallelism is only set when generating the JobGraph. Some {{setParallelism()}} calls, such as {{SingleOutputStreamOperator.setParallelism()}} cannot deal with the fact that the parallelism of an operation might be {{-1}} (which indicates that it should take the default parallelism when generating the JobGraph).
> We should either revert the changes that fixed another user-facing bug for version 1.2.1 or fix the methods.



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