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https://issues.apache.org/jira/browse/FLINK-3456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-3456.
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Resolution: Not A Problem
The Kafka 0.8 connector does not exist any more.
> Backpressure Monitoring does not work for Kafka Sources
> -------------------------------------------------------
>
> Key: FLINK-3456
> URL: https://issues.apache.org/jira/browse/FLINK-3456
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka, Runtime / Network
> Affects Versions: 1.0.0
> Reporter: Stephan Ewen
> Priority: Major
>
> For sources that run with Kafka 0.8, the main thread is not the thread that
> processes elements and pushes them into the network. The Kafka fetcher
> threads actually emit elements to the SourceContext.
> Because the backpressure sampler samples the main thread, it does not
> correctly handle Kafka Sources.
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