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https://issues.apache.org/jira/browse/BEAM-11481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-11481:
-----------------------------------
    Status: Open  (was: Triage Needed)

> FlinkRunner might not advance output watermark on change of watermark hold
> --------------------------------------------------------------------------
>
>                 Key: BEAM-11481
>                 URL: https://issues.apache.org/jira/browse/BEAM-11481
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>    Affects Versions: 2.26.0
>            Reporter: Jan Lukavský
>            Assignee: Jan Lukavský
>            Priority: P0
>
> Output watermark of DoFnOperator is advanced only when new input watermark is 
> received. The output watermark might advance even on timer or processed 
> element due to updated watermark hold. This especially holds true in 
> splittable DoFn.



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