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https://issues.apache.org/jira/browse/FLINK-7343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16408706#comment-16408706
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ASF GitHub Bot commented on FLINK-7343:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/5729
> Kafka010ProducerITCase instability
> ----------------------------------
>
> Key: FLINK-7343
> URL: https://issues.apache.org/jira/browse/FLINK-7343
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.5.0
>
>
> As reported by [~till.rohrmann] in
> https://issues.apache.org/jira/browse/FLINK-6996 there seems to be a test
> instability with
> `Kafka010ProducerITCase>KafkaProducerTestBase.testOneToOneAtLeastOnceRegularSink`
> https://travis-ci.org/tillrohrmann/flink/jobs/258538641
> It is probably related to log.flush intervals in Kafka, which delay flushing
> the data to files and potentially causing data loses on killing Kafka brokers
> in the tests.
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