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https://issues.apache.org/jira/browse/FLINK-31266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17694822#comment-17694822
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Weijie Guo commented on FLINK-31266:
------------------------------------

Generally speaking, flink compute the send & received metrics in 
{{ResultPartition}} and {{InputGate}}, but for the source(without InputGate) / 
Sink (without ResultPartition), If the connector does not provider some metrics 
like numBytesIn / numBytesOut, flink can not know this. 

> dashboard info error (received and send alway show 0 when having data)
> ----------------------------------------------------------------------
>
>                 Key: FLINK-31266
>                 URL: https://issues.apache.org/jira/browse/FLINK-31266
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Web Frontend
>    Affects Versions: 1.14.4
>            Reporter: linqichen
>            Priority: Major
>         Attachments: receivedAndSend0.jpg
>
>
> !receivedAndSend0.jpg!



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