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Eliaaazzz
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Assigning reviewers: R: @damccorm for label website. Note: If you would like to opt out of this review, comment Available commands:
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damccorm
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Sep 10, 2026
Name the Google Summer of Code project in the intro and add a motivation section describing the gaps the two APIs fill. Describe what the MatchContinuously refactor changed about its per-file state. List a contact email on the author entry.
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Thank you for the quick review, Danny, and for bringing in Yi Hu. All three comments are addressed. |
Say what the two APIs let a Python developer build: a source for their own message queue or database change feed, and reusable polling for an input that keeps growing. Credit the splittable DoFn support that already existed, and note that checkpoint finalization is best effort.
An unbounded splittable DoFn could already do this. UnboundedSource exists so a source author does not have to learn restrictions, resumption, and watermark estimators first.
Abacn
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Sep 11, 2026
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Thanks! This LGTM, just had one comment
Readers track Beam releases, so name 2.77.0 instead of the master branch.
Abacn
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Sep 11, 2026
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Adapt the GSoC final report into a concise blog post about the Python
UnboundedSourceAPI andWatchtransform. Cover their design, runner validation, and local benchmarks, with a link to the full report.Validation: checked against the report and current APIs; Hugo 0.117.0 production build, browser preview, and
git diff --checkpassed.