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https://issues.apache.org/jira/browse/KAFKA-4290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15564640#comment-15564640
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ASF GitHub Bot commented on KAFKA-4290:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/2009
> High CPU caused by timeout overflow in WorkerCoordinator
> --------------------------------------------------------
>
> Key: KAFKA-4290
> URL: https://issues.apache.org/jira/browse/KAFKA-4290
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Priority: Blocker
> Fix For: 0.10.1.0, 0.10.2.0
>
>
> The timeout passed to {{WorkerCoordinator.poll()}} can overflow if large
> enough because we add it to the current time in order to calculate the call's
> deadline. This shortcuts the poll loop and results in a very tight event loop
> which can saturate a CPU. We hit this case out of the box because Connect
> uses a default timeout of {{Long.MAX_VALUE}}.
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