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https://issues.apache.org/jira/browse/FLINK-14815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992120#comment-16992120
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lining commented on FLINK-14815:
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[~pnowojski] could you review it?
> Expose network metric in IOMetricsInfo
> --------------------------------------
>
> 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
> Assignee: 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.
> * Vertex
> ** pool usage: outPoolUsageAvg, inputExclusiveBuffersUsageAvg,
> inputFloatingBuffersUsageAvg
> ** back-pressured for show whether it is back pressured(merge all iths
> subtasks)
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