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https://issues.apache.org/jira/browse/FLINK-7739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16224019#comment-16224019
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ASF GitHub Bot commented on FLINK-7739:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/4751
I assume that the `Thread.sleep(1)` should not do much harm if the Kafka
Producer already blocks due to buffering and I/O. If it should not block, then
the `Thread.sleep(1)` will give other threads the chance to execute when having
only scarce resources (e.g. on Travis).
I agree with @pnowojski that this is not a stress test and we have seen in
the past that tests became unstable due to resource scarcity. Therefore I would
like to merge this PR if Travis gives green light and @StephanEwen does not
object.
> Improve Kafka*ITCase tests stability
> ------------------------------------
>
> Key: FLINK-7739
> URL: https://issues.apache.org/jira/browse/FLINK-7739
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Affects Versions: 1.3.2
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
>
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