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Posted to issues@flink.apache.org by "Piotr Nowojski (Jira)" <ji...@apache.org> on 2020/12/31 10:18:00 UTC

[jira] [Updated] (FLINK-20718) Create busyTimeMsPerSecond metrics

     [ https://issues.apache.org/jira/browse/FLINK-20718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Nowojski updated FLINK-20718:
-----------------------------------
    Summary: Create busyTimeMsPerSecond metrics  (was: Create isCausingBackPressureRatio and isCausingBackPressure metrics)

> Create busyTimeMsPerSecond 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
>              Labels: pull-request-available
>             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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