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https://issues.apache.org/jira/browse/BEAM-10400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Lukavský updated BEAM-10400:
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Status: Resolved (was: Open)
> DirectRunner: race condition in watermark update
> ------------------------------------------------
>
> Key: BEAM-10400
> URL: https://issues.apache.org/jira/browse/BEAM-10400
> Project: Beam
> Issue Type: Bug
> Components: runner-direct
> Affects Versions: 2.23.0
> Reporter: Jan Lukavský
> Assignee: Jan Lukavský
> Priority: P2
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> When watermark is updated in upstream PTransform, it is *instantly*
> propagated as input watermark to all directly connected downstream
> PTransforms. We must ensure that all output bundles that were emitted before
> the watermark update are processed before we allow updating input watermark
> of downstream PTransform.
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