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https://issues.apache.org/jira/browse/FLINK-5090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15675401#comment-15675401
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Xiaogang Shi commented on FLINK-5090:
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I suggest the metrics to be channel-wise. With these metrics, we will easily
find those hotspot channels.
What do you think?
> Expose optionally detailed metrics about network queue lengths
> --------------------------------------------------------------
>
> Key: FLINK-5090
> URL: https://issues.apache.org/jira/browse/FLINK-5090
> Project: Flink
> Issue Type: New Feature
> Components: Network
> Affects Versions: 1.1.3
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.2.0, 1.1.4
>
>
> For debugging purposes, it is important to have access to more detailed
> metrics about the length of network input and output queues.
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