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https://issues.apache.org/jira/browse/FLINK-17328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17195478#comment-17195478
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Chesnay Schepler commented on FLINK-17328:
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I never said displaying it in the UI is not more convenient than doing the
matching by hand.
What I'm questioning is why we expose the pool usages through the REST API when
all you really need is "backpressure between subtask A of Task 1 and subtask B
of Task 2" or "this edge has 20% more data then other edges".
> Expose network metric for job vertex in rest api
> ------------------------------------------------
>
> Key: FLINK-17328
> URL: https://issues.apache.org/jira/browse/FLINK-17328
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Metrics, Runtime / REST
> Reporter: lining
> Assignee: lining
> Priority: Major
> Labels: pull-request-available
>
> JobDetailsHandler
> * pool usage: outPoolUsageAvg, inputExclusiveBuffersUsageAvg,
> inputFloatingBuffersUsageAvg
> * back-pressured for show whether it is back pressured(merge all iths
> subtasks)
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