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https://issues.apache.org/jira/browse/BEAM-3759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173921#comment-17173921
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Beam JIRA Bot commented on BEAM-3759:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Add support for PaneInfo descriptor in Python SDK
> -------------------------------------------------
>
> Key: BEAM-3759
> URL: https://issues.apache.org/jira/browse/BEAM-3759
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Affects Versions: 2.3.0
> Reporter: Charles Chen
> Priority: P3
> Fix For: 2.19.0
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> The PaneInfo descriptor allows a user to determine which particular
> triggering emitted a value. This allows the user to differentiate between
> speculative (early), on-time (at end of window) and late value emissions
> coming out of a GroupByKey. We should add support for this feature in the
> Python SDK.
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