FrankChen021 opened a new issue, #20433:
URL: https://github.com/apache/druid/issues/20433

   _This issue was generated automatically by Claude Code (Anthropic's AI 
coding agent) running a scheduled CI-triage routine on behalf of @FrankChen021. 
Analysis and suggested fixes are AI-produced; please verify before acting on 
them._
   
   **Status:** Open: no fix PR
   **Subject:** 
`KinesisFaultToleranceTest.test_supervisorRecovers_afterSuspendResume_withEmptyShards`
 (embedded-tests, `unit tests (25, K*,U*,Z*,Y*,X*)`)
   **Failures:** 1 · **First seen:** 2026-09-23 · **Last seen:** 2026-09-23
   
   ### Root cause
   
   `StreamIndexTestBase.verifyRowCount` gates on 
`waitForAllSegmentsToBeAvailable`, which counts Broker schema-refresh metrics. 
That count can be reached before the handed-off segments are queryable, and the 
suspend has already dropped the realtime segments, so `COUNT(*)` returned 2001 
instead of 3000.
   
   ### Suggested fix
   
   Switch `verifyRowCount` to 
`EmbeddedClusterApis.waitForAllSegmentsToBeQueryable` (added in #20319), or 
poll `COUNT(*)` until it matches.
   
   ### Occurrences
   
   Failed push-triggered master jobs only. The daily triage routine adds one 
row per new failed job.
   
   | Date | Commit | Job | Failure log | Detail | Reported in |
   |---|---|---|---|---|---|
   | 2026-09-23 | a379ea849f (#20397) | `unit tests (25, K*,U*,Z*,Y*,X*)` | 
[job 
107010233701](https://github.com/apache/druid/actions/runs/35807088521/job/107010233701)
 | `COUNT(*)` 2001 vs expected 3000; 1/1 attempt | #20414 |
   


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