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Posted to issues@flink.apache.org by "Piotr Nowojski (Jira)" <ji...@apache.org> on 2020/12/15 10:59:00 UTC

[jira] [Assigned] (FLINK-14815) Expose network metric for sub task in rest api

     [ https://issues.apache.org/jira/browse/FLINK-14815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Nowojski reassigned FLINK-14815:
--------------------------------------

    Assignee:     (was: lining)

> Expose network metric for sub task in rest api
> ----------------------------------------------
>
>                 Key: FLINK-14815
>                 URL: https://issues.apache.org/jira/browse/FLINK-14815
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Metrics, Runtime / Network, Runtime / REST
>            Reporter: lining
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> * SubTask
>  **  pool usage: outPoolUsage, inputExclusiveBuffersUsage, inputFloatingBuffersUsage.
>  *** If the subtask is not back pressured, but it is causing backpressure (full input, empty output)
>  *** By comparing exclusive/floating buffers usage, whether all channels are back-pressure or only some of them
>  ** back-pressured for show whether it is back pressured.



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