Chris Egerton created KAFKA-17493:
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Summary: Sink connector-related OffsetsApiIntegrationTest suite
test cases failing more frequently with new consumer/group coordinator
Key: KAFKA-17493
URL: https://issues.apache.org/jira/browse/KAFKA-17493
Project: Kafka
Issue Type: Test
Components: connect, consumer, group-coordinator
Reporter: Chris Egerton
We recently updated trunk to use the new KIP-848 consumer/group coordinator by
default, which appears to have led to an uptick in flakiness for the
OffsetsApiIntegrationTest suite for Connect (specifically, the test cases that
use sink connectors, which makes sense since they're the type of connector that
uses a consumer group under the hood).
Gradle Enterprise shows that in the week before that update was made, the test
suite had a flakiness rate of about 4%
(https://ge.apache.org/scans/tests?search.rootProjectNames=kafka&search.startTimeMax=1724558400000&search.startTimeMin=1723953600000&search.tags=trunk&search.timeZoneId=America%2FNew_York&tests.container=org.apache.kafka.connect.integration.*&tests.sortField=FLAKY),
and in the week and a half since, the flakiness rate has jumped to 17%
(https://ge.apache.org/scans/tests?search.rootProjectNames=kafka&search.startTimeMax=1725681599999&search.startTimeMin=1724731200000&search.tags=trunk&search.timeZoneId=America%2FNew_York&tests.container=org.apache.kafka.connect.integration.*&tests.sortField=FLAKY).
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