[BEAM-91] Retractions

• Type: New Feature
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Component/s: beam-model
• Assignee: Unassigned
• Reporter: Tyler Akidau
• Created: 03/Mar/16 05:12
• Updated: 03/Jun/22 16:39

Description

We still haven't added retractions to Beam, even though they're a core part of the model. We should document all the necessary aspects (uncombine, reverting DoFn output with DoOvers, sink integration, source-level retractions, etc), and then implement them.

Issue Links

• links to: https://github.com/apache/beam/pull/4742
• links to: https://github.com/apache/beam/pull/9199