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Posted to issues@flink.apache.org by "Lijie Wang (Jira)" <ji...@apache.org> on 2023/03/29 03:15:00 UTC

[jira] [Commented] (FLINK-31650) Incorrect busyMsTimePerSecond metric value for FINISHED task

    [ https://issues.apache.org/jira/browse/FLINK-31650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17706199#comment-17706199 ] 

Lijie Wang commented on FLINK-31650:
------------------------------------

I guess this is because the value of busyMsTimePerSecond is only periodically updated while the task is running. Once the task is finished, this metric will never be updated, so the currently displayed value is the lastest updated results while the task was running

> Incorrect busyMsTimePerSecond metric value for FINISHED task
> ------------------------------------------------------------
>
>                 Key: FLINK-31650
>                 URL: https://issues.apache.org/jira/browse/FLINK-31650
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Metrics, Runtime / REST
>    Affects Versions: 1.17.0, 1.16.1
>            Reporter: Lijie Wang
>            Priority: Major
>         Attachments: busyMsTimePerSecond.png
>
>
> As shown in the figure below, the busyMsTimePerSecond of the FINISHED task is 100%, which is obviously unreasonable.
> !busyMsTimePerSecond.png|width=1048,height=432!



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