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https://issues.apache.org/jira/browse/BEAM-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344506#comment-16344506
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Kenneth Knowles commented on BEAM-3194:
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[~jkff] the annotation exists but isn't wired to do anything in any runner. Do
you think this fits in somewhat with your work on IOs and the quest to
formalize Reshuffle's uses?
> Support annotating that a DoFn requires stable / deterministic input for
> replay/retry
> -------------------------------------------------------------------------------------
>
> Key: BEAM-3194
> URL: https://issues.apache.org/jira/browse/BEAM-3194
> Project: Beam
> Issue Type: New Feature
> Components: beam-model
> Reporter: Kenneth Knowles
> Assignee: Eugene Kirpichov
> Priority: Major
>
> See the thread:
> https://lists.apache.org/thread.html/5fd81ce371aeaf642665348f8e6940e308e04275dd7072f380f9f945@%3Cdev.beam.apache.org%3E
> We need this in order to have truly cross-runner end-to-end exactly once via
> replay + idempotence.
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