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https://issues.apache.org/jira/browse/FLINK-17328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17195262#comment-17195262
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lining commented on FLINK-17328:
--------------------------------
WebUI has monitor backpressure. But users need to know current and upstream's
network metric to judge current whether is the source of backpressure. Now
users have to record relevant information. It is just improved for the old
function.
> 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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