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Posted to issues@beam.apache.org by "Ismaël Mejía (Jira)" <ji...@apache.org> on 2020/03/27 09:50:00 UTC

[jira] [Commented] (BEAM-9505) DoFn.StartBundle called multiple times when streaming

    [ https://issues.apache.org/jira/browse/BEAM-9505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17068487#comment-17068487 ] 

Ismaël Mejía commented on BEAM-9505:
------------------------------------

[~lukecwik@gmail.com]can you please check or assign to someone who can see if we can reproduce this and fix it if it is an issue.

> DoFn.StartBundle called multiple times when streaming
> -----------------------------------------------------
>
>                 Key: BEAM-9505
>                 URL: https://issues.apache.org/jira/browse/BEAM-9505
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow
>    Affects Versions: 2.18.0, 2.19.0
>            Reporter: Niel Markwick
>            Priority: Major
>
> When using DataflowRunner in streaming mode. DoFn.StartBundle is called multiple times for the same bundle.
>  
> This does not occur with DirectRunner. 
> This breaks DoFn's which require per-bundle setup and teardown  procedures.



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