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https://issues.apache.org/jira/browse/FLINK-6477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16004314#comment-16004314
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zhihao chen commented on FLINK-6477:
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I made a test, compared the first request and the second time, found the first 
time can not get the metric of the data, the second time can.

I have an idea, do not know if it is feasible, please help to check it
We visit the TM steps like this, 
* overview-> Task managers -> Task Manager Metrics

could we send the request to get metrics data in the second step?

> The first time to click Taskmanager cannot get the actual data
> --------------------------------------------------------------
>
>                 Key: FLINK-6477
>                 URL: https://issues.apache.org/jira/browse/FLINK-6477
>             Project: Flink
>          Issue Type: Bug
>          Components: Webfrontend
>    Affects Versions: 1.2.0
>            Reporter: zhihao chen
>            Assignee: zhihao chen
>         Attachments: errDisplay.jpg
>
>
> Flink web page first click Taskmanager to get less than the actual data, when 
> the parameter “jobmanager.web.refresh-interval” is set to a larger value, eg: 
> 1800000, if you do not manually refresh the page you need to wait time after 
> the timeout normal display



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