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https://issues.apache.org/jira/browse/BEAM-11719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Bradshaw reassigned BEAM-11719:
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Assignee: Robert Bradshaw
> Enforce deterministic coding for GroupByKey and Stateful DoFns
> --------------------------------------------------------------
>
> Key: BEAM-11719
> URL: https://issues.apache.org/jira/browse/BEAM-11719
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Assignee: Robert Bradshaw
> Priority: P1
>
> If a non-deterministic coder, such as pickling, is used for keys this can
> result in two copies of the same key being grouped separately (based on their
> encodings).
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