Robert Bradshaw created BEAM-11719:
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Summary: 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
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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