[jira] [Commented] (KAFKA-15529) Flaky test ReassignReplicaShrinkTest.executeTieredStorageTest

["Mickael Maison (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-15529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17986174#comment-17986174 ] 

Mickael Maison commented on KAFKA-15529:
----------------------------------------

Moving to the next release as we're now in code freeze for 4.1.0 and this is not assigned to anybody.

> Flaky test ReassignReplicaShrinkTest.executeTieredStorageTest
> -------------------------------------------------------------
>
>                 Key: KAFKA-15529
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15529
>             Project: Kafka
>          Issue Type: Test
>          Components: Tiered-Storage
>    Affects Versions: 3.6.0
>            Reporter: Divij Vaidya
>            Priority: Blocker
>              Labels: flaky-test
>             Fix For: 4.2.0
>
>
> Example of failed CI build - [https://ci-builds.apache.org/job/Kafka/job/kafka-pr/job/PR-14449/3/testReport/junit/org.apache.kafka.tiered.storage.integration/ReassignReplicaShrinkTest/Build___JDK_21_and_Scala_2_13___executeTieredStorageTest_String__quorum_kraft_2/]  
> {noformat}
> org.opentest4j.AssertionFailedError: Number of fetch requests from broker 0 to the tier storage does not match the expected value for topic-partition topicA-1 ==> expected: <3> but was: <4>
> 	at app//org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
> 	at app//org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
> 	at app//org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:197)
> 	at app//org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:150)
> 	at app//org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:559)
> 	at app//org.apache.kafka.tiered.storage.actions.ConsumeAction.doExecute(ConsumeAction.java:128)
> 	at app//org.apache.kafka.tiered.storage.TieredStorageTestAction.execute(TieredStorageTestAction.java:25)
> 	at app//org.apache.kafka.tiered.storage.TieredStorageTestHarness.executeTieredStorageTest(TieredStorageTestHarness.java:112){noformat}
> The test failures over the last 28 days on [Develocity|https://develocity.apache.org/scans/tests?search.relativeStartTime=P28D&search.rootProjectNames=kafka&search.timeZoneId=America%2FLos_Angeles&tests.container=org.apache.kafka.tiered.storage.integration.ReassignReplicaShrinkTest] show that it's only failed twice, and both were on branches, not {{trunk}}.



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