Support stateful processing in merging windows in Java DirectRunner
Open
direct
new feature
P3
runners
- Dominant language
- Java
- Stars
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- Avg merge
- 2d 2h
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Description
Imported from Jira [BEAM-3686](https://issues.apache.org/jira/browse/BEAM-3686). Original Jira may contain additional context.
Reported by: kenn.
Contributor guide
Research direction
Start by locating the Java DirectRunner implementation and its tests for merging windows and stateful processing; the issue names no files or test entry point. Read the existing window and state handling first, then verify that stateful processing works for merging windows under the DirectRunner.
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
- 20/100