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https://issues.apache.org/jira/browse/FLINK-20718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski updated FLINK-20718:
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Component/s: Runtime / Task
> Create isCausingBackPressureRatio and isCausingBackPressure metrics
> -------------------------------------------------------------------
>
> Key: FLINK-20718
> URL: https://issues.apache.org/jira/browse/FLINK-20718
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Metrics, Runtime / Task
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
> Fix For: 1.13.0
>
>
> create {{isCausingBackPressureRatio}} and {{isCausingBackPressure}} metrics.
> Based on either {{!isBackPressured && inPoolUsage > 0.5}} or
> {{!isBackPressured && idleTimeMsPerSecond < 1ms}} . Probably the latter
> version is better, as it would neatly ignore the problem that {{inPoolUsage}}
> metric doesn't work with {{LocalInputChannel}}
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