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https://issues.apache.org/jira/browse/TEZ-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14993219#comment-14993219
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Sreenath Somarajapuram commented on TEZ-2923:
---------------------------------------------

bq. for some counter views, i see two live AM info requests: one with 
counters="*" and one with counter=""
- Thats fine for the time being, counter="" is send by the parent controller. A 
ticket is scheduled to unify both the requests into one single request.
- That change would be done later, and would be done across all pages.

bq. the counters view doesn't show the counters until a status change on the 
model
- Guess App.Helpers.emData.mergeRecords would have to be changed a bit for the 
same.
- Putting just row.setProperties(info.getProperties.apply(info, mergeProps)); 
inside, and everything else outside the "if(merge) {" condition block must help.

> Tez Live UI counters view empty for vertices, tasks, attempts
> -------------------------------------------------------------
>
>                 Key: TEZ-2923
>                 URL: https://issues.apache.org/jira/browse/TEZ-2923
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Jonathan Eagles
>         Attachments: TEZ-2293.1.patch, TEZ-2923.2.patch
>
>
> Vertex Counters, Task Counters, and TaskAttempt Counters views are blank 
> during the live tez AM view. This is due to the nature of the request sent by 
> the Tez UI to the Tez AM rest api. The api only accepts a list of counter 
> groups or counter names, since the groups and names are unknown at the time 
> of the request, there is no away to ask for counters by name. This jira 
> proposes to allow for a "*" to the rest api to request all counters to be 
> returned.



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