Pablo Estrada created BEAM-4786:
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Summary: Distinct has bad parallelism characteristics
Key: BEAM-4786
URL: https://issues.apache.org/jira/browse/BEAM-4786
Project: Beam
Issue Type: Bug
Components: sdk-java-core
Reporter: Pablo Estrada
Assignee: Pablo Estrada
Distinct groups first and then drops extra elements. Should drop elements in
the mappers, and later in reducers.
https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Distinct.java#L100
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