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Posted to issues@beam.apache.org by "Pablo Estrada (Jira)" <ji...@apache.org> on 2021/03/12 01:07:00 UTC

[jira] [Work started] (BEAM-11719) Enforce deterministic coding for GroupByKey and Stateful DoFns

     [ https://issues.apache.org/jira/browse/BEAM-11719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on BEAM-11719 started by Robert Bradshaw.
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> 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
>          Time Spent: 11h 10m
>  Remaining Estimate: 0h
>
> 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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