apache / apache/beam

Prototype of retractions support by DirectRunner

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direct improvement P3 runners
Dominant language
Java
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Description

Build prototype retractions support with DirectRunner to identify correct path forward

Imported from Jira [BEAM-3740](https://issues.apache.org/jira/browse/BEAM-3740). Original Jira may contain additional context.
Reported by: kedin.

Contributor guide

Open the contributing guide

Research direction

Start with the imported Jira issue BEAM-3740 for the additional context, then examine the DirectRunner implementation and existing retraction handling. The goal is a prototype that identifies the correct path forward for retractions support, but the issue does not name specific files, tests, or completion criteria.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
stream-processing
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
15/100

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