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https://issues.apache.org/jira/browse/BEAM-10303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-10303:
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This Jira ticket has a pull request attached to it, but is still open. Did the
pull request resolve the issue? If so, could you please mark it resolved? This
will help the project have a clear view of its open issues.
> FnApiDoFnRunner window observing optimization
> ---------------------------------------------
>
> Key: BEAM-10303
> URL: https://issues.apache.org/jira/browse/BEAM-10303
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-harness
> Reporter: Luke Cwik
> Priority: P3
> Labels: Clarified, portability
> Time Spent: 10.5h
> Remaining Estimate: 0h
>
> Currently the FnApiDoFnRunner processes each element within it's own window.
> There is an easy optimization where we process the element once if and only
> if the function doesn't observe the window (either directly or indirectly via
> side inputs/state/...).
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