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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2485) Reject stateful ParDo / DoFn in merging windows at construction time in Dataflow runner
Date Thu, 22 Jun 2017 03:36:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058670#comment-16058670
] 

ASF GitHub Bot commented on BEAM-2485:
--------------------------------------

GitHub user kennknowles opened a pull request:

    https://github.com/apache/beam/pull/3419

    [BEAM-2485] DataflowRunner: Reject merging windowing for stateful ParDo

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [x] Make sure tests pass via `mvn clean verify`.
     - [x] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [x] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.pdf).
    
    ---
    
    R: @jkff 

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/kennknowles/beam DataflowRunner-merging-state

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/beam/pull/3419.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3419
    
----
commit 36f7b093db198ac029a596dbf21bfe63ed782f29
Author: Kenneth Knowles <klk@google.com>
Date:   2017-06-22T03:25:31Z

    DataflowRunner: Reject merging windowing for stateful ParDo

----


> Reject stateful ParDo / DoFn in merging windows at construction time in Dataflow runner
> ---------------------------------------------------------------------------------------
>
>                 Key: BEAM-2485
>                 URL: https://issues.apache.org/jira/browse/BEAM-2485
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
>             Fix For: 2.1.0
>
>
> The Dataflow runner does not support state in merging windows. This should be rejected
before the job is submitted.



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