FrankChen021 commented on PR #20316:
URL: https://github.com/apache/druid/pull/20316#issuecomment-5628307969

   The `unit tests (25, C*)` failure on this PR is unrelated to the change here 
(this PR only touches `KubernetesTaskRunnerTest`, which is not in the C* shard).
   
   The failing test is 
[`CompactionTaskTest.testCompaction`](https://github.com/apache/druid/actions/runs/34495913311/job/102934192930):
   
   ```
   CompactionTaskTest.testCompaction -> 
CompactionTestBase.verifySegmentsCount:102
   Segment count mismatch in sys.segments table ==> expected: <2> but was: <4>
   ```
   
   This is the flake tracked in #20312 (item 7) and fixed by #20320: 
`verifySegmentsCount` waits for a single `segment/metadataCache/sync/time` 
event and then asserts the `sys.segments` count once, so a sync that was 
already in flight can still report the pre-compaction state (here the 4 
original segments). #20320 keeps the Overlord assertion and polls the 
Broker-side count instead.


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