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https://issues.apache.org/jira/browse/KAFKA-17233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17878434#comment-17878434
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João Pedro Fonseca commented on KAFKA-17233:
--------------------------------------------

Another example:

 

I run gradle clean unitTest --console plain > /tmp/unitTestX.txt where X is the 
number of the run. I have obtained three different results:

 

$ grep ' FAILED' /tmp/unitTest.txt 
Gradle Test Run :clients:unitTest > Gradle Test Executor 624 > 
AbstractCoordinatorTest > testWakeupAfterSyncGroupReceivedExternalCompletion() 
FAILED
Gradle Test Run :metadata:unitTest > Gradle Test Executor 697 > 
QuorumControllerTest > testBootstrapZkMigrationRecord() FAILED
Gradle Test Run :metadata:unitTest > Gradle Test Executor 697 > 
QuorumControllerTest > testBalancePartitionLeaders() FAILED
Gradle Test Run :metadata:unitTest > Gradle Test Executor 697 > 
QuorumControllerTest > testBrokerHeartbeatDuringMigration(MetadataVersion) > 
"testBrokerHeartbeatDuringMigration(MetadataVersion).metadataVersion=3.6-IV1" 
FAILED
Gradle Test Run :clients:unitTest > Gradle Test Executor 703 > 
CooperativeConsumerCoordinatorTest > testOutdatedCoordinatorAssignment() FAILED
> Task :metadata:unitTest FAILED
> Task :clients:unitTest FAILED

$ grep ' FAILED' /tmp/unitTest2.txt 
Gradle Test Run :clients:unitTest > Gradle Test Executor 1193 > 
AbstractCoordinatorTest > testWakeupAfterSyncGroupReceivedExternalCompletion() 
FAILED
Gradle Test Run :metadata:unitTest > Gradle Test Executor 1160 > 
QuorumControllerTest > testNoOpRecordWriteAfterTimeout() FAILED
> Task :metadata:unitTest FAILED
> Task :clients:unitTest FAILED

$ grep ' FAILED' /tmp/unitTest3.txt 
Gradle Test Run :metadata:unitTest > Gradle Test Executor 1511 > 
QuorumControllerTest > testInsertBootstrapRecordsToEmptyLog() FAILED
> Task :metadata:unitTest FAILED
Gradle Test Run :clients:unitTest > Gradle Test Executor 1582 > 
Tls13SelectorTest > testCloseOldestConnection() FAILED
Gradle Test Run :clients:unitTest > Gradle Test Executor 1611 > 
KafkaConsumerTest > testMissingOffsetNoResetPolicy(GroupProtocol) > 
"testMissingOffsetNoResetPolicy(GroupProtocol).groupProtocol=CONSUMER" FAILED
> Task :clients:unitTest FAILED

> MirrorCheckpointConnector should use batched listConsumerGroupOffsets
> ---------------------------------------------------------------------
>
>                 Key: KAFKA-17233
>                 URL: https://issues.apache.org/jira/browse/KAFKA-17233
>             Project: Kafka
>          Issue Type: Bug
>          Components: mirrormaker
>    Affects Versions: 3.5.0
>            Reporter: Greg Harris
>            Assignee: João Pedro Fonseca
>            Priority: Minor
>              Labels: newbie
>         Attachments: image-2024-08-31-15-47-14-066.png
>
>
> The AdminClient provides us a single-group listConsumerGroupOffsets, and a 
> batched listConsumerGroupOffsets. Because we are potentially requesting the 
> offsets for hundreds or thousands of groups, serially requesting all of the 
> offsets may be very slow.



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