santhoshct opened a new pull request, #18334:
URL: https://github.com/apache/kafka/pull/18334
Added script to find the commit that would have caused the flakiness.
### Flaky Pattern Detection:
For each test execution in chronological order:
- When a FAILED or FLAKY status is encountered, opens a window of size M
- Counts failures/flaky occurrences within that window
- If count ≥ N, marks this as a potential flaky pattern
- Records detailed information about the pattern including:
- Initial failing commit
- Build information
- All test executions within the window
### Example
Given:
- Window size (M) = 6
- Required failures (N) = 2
Timeline:
[PASS] -> [PASS] -> [FAIL] -> [PASS] -> [FAIL] -> [PASS] -> [PASS]
^
|
Window starts here
Window Analysis:
[FAIL], [PASS], [FAIL], [PASS], [PASS] = 2 failures in 5 executions
Result: Pattern detected (2 failures ≥ N within window of size 6)
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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