Add Watermark Metrics in Spark runner
Open
P3
runners
spark
sub-task
- Dominant language
- Java
- Stars
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- Forks
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- Avg merge
- 2d 2h
- Merged PRs (30d)
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Description
Imported from Jira [BEAM-1944](https://issues.apache.org/jira/browse/BEAM-1944). Original Jira may contain additional context.
Reported by: lzljs3620320.
Subtask of issue #18359
Contributor guide
Research direction
The issue names the Spark runner but no files or tests; start by reading parent issue #18359 and locating the runner's watermark metrics entry point. Confirm the original Jira context before defining the scope, then add the requested watermark metrics and corresponding coverage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, spark
- Domain
- stream-processing
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100