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Posted to issues@flink.apache.org by "Piotr Nowojski (Jira)" <ji...@apache.org> on 2019/11/15 09:45:00 UTC

[jira] [Commented] (FLINK-14814) Show the vertex that produces the backpressure source in the job

    [ https://issues.apache.org/jira/browse/FLINK-14814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16974967#comment-16974967 ] 

Piotr Nowojski commented on FLINK-14814:
----------------------------------------

One clarifying question [~lining]. What's the scope of this ticket? Would you like this information to be visible in the Web Frontend, or just exposed via some metric?

> Show the vertex that produces the backpressure source in the job
> ----------------------------------------------------------------
>
>                 Key: FLINK-14814
>                 URL: https://issues.apache.org/jira/browse/FLINK-14814
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Metrics, Runtime / Network, Runtime / REST, Runtime / Web Frontend
>            Reporter: lining
>            Assignee: lining
>            Priority: Major
>
> By checking the status of output and input buffer pools exposed via FLINK-14815 (output buffer empty, input buffer full) it is possible to display which node is a source of the back pressure. This information could be displayed/accessible in the Web Frontend.



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