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https://issues.apache.org/jira/browse/FLINK-28945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17579484#comment-17579484
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Junhan Yang commented on FLINK-28945:
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>From the web UI's perspective, the metrics displayed in the table is totally
>based on the REST API 'jobs/:jobId'. I suggest we should double-check the
>back-end computation logic behind this API.
>!image-2022-08-15-10-22-59-964.png|width=361,height=295!
> Several task IO metrics not displayed on web ui
> -----------------------------------------------
>
> Key: FLINK-28945
> URL: https://issues.apache.org/jira/browse/FLINK-28945
> Project: Flink
> Issue Type: Bug
> Reporter: lincoln lee
> Priority: Major
> Attachments: image-2022-08-15-10-22-59-964.png
>
>
> There is feedback from the community user that neither the receive nor the
> sent metric is displayed when source sink tasks are chained together.
> !https://intranetproxy.alipay.com/skylark/lark/0/2022/png/13414/1658998667672-44c5f68e-27d7-4bc7-b187-97a7c58271b0.png!
> Also, the received and sent metrics never displayed for source task
>
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